Apart from Qualities that are missing and mentioned in the answer, I would suggest you to look for them & some other factors that will help you to authenticate the clinic in the question:
1. The Patient Policy & Hair transplant policies.
2. Support System in After care.
3. Emergency care availability
4. Social Media Presence - It is particularly necessary in order to know activities & opinions about the clinic.
Also, there are number of things that one must know to make his/her transplant successful. There are questions that must be revised before going under the knife. I will be sharing such
2-3 resources with you so that it can be beneficial:
: Guidance blog
: patient experience
: Many Hair transplant related educational content