So you believe that on paper, uniteral external tibias are technically the safest method compared to anything else even when it's not done by Paley? Which doctor is the best for external tibias?
Just a reminder that I haven't done CLL yet, so don't take my replies as hard advice. A memorable avatar and posting frequency is no substitute for experience.
That being said, I wouldn't say unilateral external tibias is necessarily safer than bilateral, just more convenient to have a fully working leg (frames are weight bearing though, so not as beneficial as unilateral internals IMO). Doing unilateral means you'd have to go under general anesthesia and take pain killers more times, which can be seen as a risk, not to mention paying more (surgery, hospital stay, PT, accommodation, etc.). In the end you have to balance and decide which pros and cons make sense to you: safety, convenience, duration, pain level, etc.
Even veterans usually only have one doctor, so it's hard to say who is the best (but they certainly have a better idea on what to look for). I tend to agree with what has been echoed in this community: Dr. Catagni/Pili, Dr. Birkholtz, Dr. Parihar, and Dr. Solomin/Kulesh. I even suggest Dr. Mahboubian; his latest diaries are all for Precice, but I believe he still offer externals (who knows, maybe Dr. Rozbruch might too). They're all published contributors in their field and are relatively conservative in their treatment methods.