That survey looks like a popularity poll , how anyone can know anything about the efficacy or safety when someone looking after 20 cases is described as a highly experienced physician.Correct. Those were the initial findings after 3 days. If you click on the link to the current data then in terms of efficacy it is now way down the list. They've done a press release since (link below) that says that perceptions of its efficacy were higher in week 1 and that it is now perceived as one of the least safe treatments.
https://www.sermo.com/press-release...nd-safety-perceptions-of-most-used-therapies/