If you know please tell me my friend is sick .so we haven been to hospital and watching doctor .but after tow days .doctor even haven't a realy answer for us .one analysis report reach tow diagnosed . they are told it's nothing .it's ok .we don't know shoud belive their or not Now we want change a hospital ! so if you know a good hospital in shang hai .please tell me .i well be thank you so much hope my friend 's realy nothing......