Fig. 1From: Smartphone and web-based independent consultation and feedback for joint replacement surgeries: a randomized control trial protocolFramework of the study protocol. The research protocol framework includes two aspects including defects and problems identification (PP1–PP4 represent patient side problems, DP1–DP4 represent doctor side problems) and counter-measures development (PI1–PI4 represent patient intervention contents, DI1–DI4 represent doctor intervention contents)Back to article page