Table 2.

Basic information of experts (n = 11)

Items	Groups	n	Percentage(%)
Gender	Men	7	63.6
	Women	4	36.4
Ages	≤ 40 years old	2	18.2
	41–50 years old	5	45.5
	51–60 years old	4	36.4
Education	Bachelor's degree	3	27.3
	PhD	8	72.7
Technical title	Intermediate	2	18.2
	Associate senior	2	18.2
	Full Senior	7	63.6
Years of work	15–20 years	4	36.4
	21–30 years	2	18.2
	31 years and above	5	45.5
Research/work area	Orthopedics	3	27.3
	Technical departments	3	27.3
	Rehabilitation	2	18.2
	Nursing	2	18.2
	Vascular surgery	1	9.1
Graduate student mentor	Doctoral Supervisor	3	27.3
	Master's degree advisor	8	72.7