Figure 4From: Questionnaire survey about use of an online appointment booking system in one large tertiary public hospital outpatient service center in China How the use of different appointment booking systems by doctors differs by professional title. Mode 1: On-the-spot appointment (registration desk); Mode 2: On-the-spot appointment (consulting room); Mode 3: WAS; Mode 4: Self-help booking on machine in outpatient department.Back to article page