Negative information about Dr. Giotikas, please

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I plan to use precice 2.2 for 7~8cm femur lengthening with Dr. Giotikas ,now I am investigating the information of this doctor.
I searched with keywords, also read a lot of diaries, but I found it is a little difficult to find negative information about a doctor (too much diaries and posts)
Tell me the negative information about Dr. Giotikas, please.
I have seen many positive discussions and diaries about him, is it possible for advertising purposes?
By the way, I like this doctor very much, I am doing this because I want to know more comprehensive information.

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Also need to know the initial symptoms and potential risk days of serious complications (PE, FE), and many, many other things.
Read articles and then take notes, become at least half of expert in this field before undergoing surgery,do this for every doctor, even Paley.