1. Fan, W., Zhou, Q., Qiu, L., Kumar, S.: Should doctors open online consultation services? An empirical investigation of their impact on offline appointments. Inf. Syst. Res. 34, 629–651 (2023)
2. Liu, H., Zhang, Y., Li, Y., Albright, K.: Better interaction performance attracts more chronic patients? Evidence from an online health platform. Inf. Process. Manage. 60, 103413 (2023)
3. Spence, M.: Job market signaling. Uncertainty Econ., 281–306 (1973)
4. Connelly, B.L., Certo, S.T., Ireland, R.D., Reutzel, C.R.: Signaling theory: a review and assessment. J. Manag. 37, 39–67 (2011)
5. Denyer, D., Tranfield, D.: Producing a systematic review. In: The Sage Handbook of Organizational Research Methods, pp. 671–689. Sage Publications Ltd., Thousand Oaks, CA (2009)