Concepts/Codes	Interviewee’s original comments
Key question A) Detailed methods of acquiring skills and knowledge on primary care
Rotation training in internal medicine	“At the beginning of the training in internal medicine, I rotated among several sub-specialties, including cardiology, pneumology and so on within internal medicine over several years”.
Night shift in emergency room	“I treated all patients while on night shifts in the emergency room, and could consult with specialists when needed”.
Conditions of billing in the fee schedule	“I could understand the primary care services I should provide by looking at the items and conditions of billing in the fee schedule”.
Key question B) Concrete reasons for making the move to the clinic
Flexibility of the specialist’s recertification	“We are able to retain our certification as specialists. This could be the key factor for maintaining my motivation to improve my skills in clinics”.
To remain in the same area	“I didn’t want to move out of this area because I was attached to it and for the sake of my children’s education”.
Key question C) Influence of higher income of PC physicians
Able to improve income, not direct reason, push greatly	“I was confident that I would have a higher income, This pushed me greatly”.
Factor for making the change	“Higher income if I moved to the clinic might be a factor which pushed me to move from the university hospital”.