1- Parasuraman A, Zeithaml VA, Berry L. A conceptual model of service quality and its implications for future research. J Mark. 1985;49(4):41-50.
2- Park C, Lee TM. Information direction, website reputation and eWOM effect: A moderating role of product type. J Bus Res. 2009;62(1):61-7.
3- Zeithaml VA. How consumer evaluation processes differ between goods and services. In: Donnelly JH, George WR, editors. Marketing of services. New York: American Marketing Association; 1981. p. 186-90.
4- Liu Z, Park S. What makes a useful online review? Implication for travel product websites. Tour Manag. 2015;47:140-51.
5- Parasuraman A, Zeithaml VA, Malhotra A. ES-QUAL: A multiple-item scale for assessing electronic service quality. J Serv Res. 2005;7(3):213-33.
6- Nadarajan G, Bojei J, Khalid H. The study on negative eWOM and its relationship to consumer's intention to switch mobile service provider. Procedia Comput Sci. 2017;124:338-96.
7- Van Doorn J, Lemon KN, Mittal V, Nass S, Pick D, Pirner P, et al. Customer engagement behavior: Theoretical foundations and research directions. J Serv Res. 2010;13(3):253-66.
8- Wangenheim FV, Bayón T. The chain from customer satisfaction via word-of-mouth referrals to new customer acquisition. J Acad Mark Sci. 2007;35(2):233-49.
9- Matos CA, Vargas Rossi CA. Word-of-mouth communications in marketing: A meta-analytic review of the antecedents and moderators. J Acad Mark Sci. 2008;36(4):578-96.
10- Zeelenberg M, Pieters R. Beyond valence in customer dissatisfaction: A review and new findings on behavioral responses to regret and disappointment in failed services. J Bus Res. 2004;57(4):445-55.
11- Torkzad A, Beheshtinia MA. Evaluating and prioritizing hospital service quality. Int J Health Care Qual Assur. 2019;32(2):332-46.
12- Rao M, Clarke A. Patients' own assessments of quality of primary care compared with objective records-based measures of technical quality of care: Cross-sectional study. BMJ. 2006;333:19.
13- La Fata CM, Lupo T, Piazza T. Service quality benchmarking via a novel approach based on fuzzy ELECTRE III and IPA: An empirical case involving the Italian public healthcare context. Health Care Manag Sci. 2019;22(1):106-20.
14- Chang BL, Kao HO, Lin SJ, Yang SH, Kuo YW, Jerng JS. Quality gaps and priorities for improvement of healthcare service for patients with prolonged mechanical ventilation in the view of family. J Formos Med Assoc. 2019;118(5):922-31.
15- Scardina SA. SERVQUAL: A tool for evaluating patient satisfaction with nursing care. J Nurs Care Qual. 1994;8(2):38-46.
16- Lee M, Youn S. Electronic word of mouth (eWOM): How eWOM platforms influence consumer product judgement. Int J Advert. 2009;28(3):473-99.
17- Izogo EE, Jayawardhena C, Karjaluoto H. Negative eWOM and perceived credibility: A potent mix in consumer relationships. Int J Retail Distrib Manag. 2022;51(2):149-69.
18- Padilla-Fortunatti C, Rojas-Silva N, Arechabala-Mantuliz MC. Analysis of the difference between importance and satisfaction of the needs of family members of critical patients. Med Intensiva. 2019;43(4):217-24.
19- Aeyels D, Seys D, Sinnaeve PR, Claeys MJ, Gevaert S, Schoors D, et al. Managing in-hospital quality improvement: An importance-performance analysis to set priorities for ST-elevation myocardial infarction care. Eur J Cardiovasc Nurs. 2018;17(6):535-42.
20- Mohebifar R, Hasani H, Barikani A, Rafiei S. Evaluating service quality from patients' perceptions: Application of importance-performance analysis method. Osong Public Health Res Perspect. 2016;7(4):233-8.
21- Wu HH, Hsieh SM. A case study of applying importance-performance analysis in orthopedic department to evaluate service quality. Int J Manag Decis Mak. 2012;12(1):50-68.
22- Hennig-Thurau T, Gwinner KP, Walsh G, Gremler DD. Electronic word-of-mouth via consumer-opinion platforms: What motivates consumers to articulate themselves on the Internet?. J Interact Mark. 2004;18(1):38-52.
23- Xia L, Bechwati NN. Word of mouse: The role of cognitive personalization in online consumer reviews. J Interact Advert. 2008;9(1):2-13.
24- Sloane G, Tidwell P, Horsfield M. Identification of the decision maker for a patient's hospital choice: Who decides which hospital?. J Hosp Mark. 1999;13(1):57-77.
25- Robinowitz DL, Dudley RA. Public reporting of provider performance: Can its impact be made greater?. Annu Rev Public Health. 2006;27:517-36.
26- Ferguson RJ, Paulin M, Bergeron J. Customer sociability and the total service experience: Antecedents of positive word-of-mouth intentions. J Serv Manag. 2010;21(1):25-44.
27- Leister J, Stausberg J. Why do patients select a hospital? A conjoint analysis in two German hospitals. J Hosp Mark Public Relations. 2007;17(2):13-31.
28- Trigg L. Patients' opinions of health care providers for supporting choice and quality improvement. J Health Serv Res Policy. 2011;16(2):102-7.
29- Walsh G, Mitchell VW. The effect of consumer confusion proneness on word of mouth, trust, and customer satisfaction. Eur J Mark. 2010;44(6):838-59.
30- Gruen TW, Osmonbekov T, Czaplewski AJ. eWOM: The impact of customer-to-customer online know-how exchange on customer value and loyalty. J Bus Res. 2006;59(4):449-56.
31- Dobele A, Lindgreen A. Exploring the nature of value in the word-of-mouth referral equation for health care. J Mark Manag. 2011;27(3-4):269-90.
32- Harrison-Walker LJ. The measurement of word-of-mouth communication and an investigation of service quality and customer commitment as potential antecedents. J Serv Res. 2016;4(1):60-75.
33- Singh J. Voice, exit, and negative word-of-mouth behaviors: An investigation across three service categories. J Acad Mark Sci. 1990;18:1-15.
34- Filieri R, Galati F, Raguseo E. The impact of service attributes and category on eWOM helpfulness: An investigation of extremely negative and positive ratings using latent semantic analytics and regression analysis. Comput Hum Behav. 2021;114:106527.
35- Purcarea VL, Gheorghe IR, Petrescu CM. Credibility elements of eWOM messages in the context of health care services: A Romanian perspective. J Med Life. 2013;6(3):254-9.
36- Pauli G, Martin S, Greiling D. The current state of research of word-of-mouth in the health care sector. Int Rev Public Nonprofit Mark. 2023;20:125-48.
37- Lim P, Tang N. A study of patients' expectations and satisfaction in Singapore hospitals. Int J Health Care Qual Assur Inc Leadersh Health Serv. 2000;13(6-7):290-9.
38- Astuti H, Nagase K. A framework for conceptualizing patient loyalty to healthcare organizations. Health Serv Manag Res. 2016;29(3).
39- Bond S, Thomas L. Measuring patients' satisfaction with nursing care. J Adv Nurs. 1992;17(1):52-63.
40- Kitsios F, Kamariotou M, Karanikolas P, Grigoroudis E. Digital marketing platforms and customer satisfaction: Identifying eWOM using big data and text mining. Appl Sci. 2021;11(17):8032.
41- Jones R, Rogers R, Roberts J, Callaghan L, Lindsey L, Campbell J, et al. What is eHealth: A research agenda for eHealth through stakeholder consultation and policy context review. J Med Internet Res. 2005;7(5):e54.
42- Szajna B. Empirical evaluation of the revised technology acceptance model. Manag Sci. 1996;42(1):85-92.
43- Calnan M. The functions of the hospital emergency department: A study of patient demand. J Emerg Med. 1984;2(1):57-63.