[1] Natl Cheng Kung Univ, Natl Cheng Kung Univ Hosp, Coll Med, Div Behav Neurol,Dept Neurol, Tainan 70428, Taiwan
[2] Natl Cheng Kung Univ, Natl Cheng Kung Univ Hosp, Coll Med, Alzheimers Dis Res Ctr, Tainan 70428, Taiwan
[3] Ain Shams Univ, Dept Neurol, Cairo, Egypt
[4] Balamand Univ, St Georges Hosp, Med Ctr, Beirut, Lebanon
[5] Tan Tock Seng Hosp, Natl Neurosci Inst, Dept Neurol, Singapore, Singapore
[6] Univ Ulsan, Coll Med, Asan Med Ctr, Dept Neurol, Seoul, South Korea
[7] Tamil Nadu Dr MGR Med Univ, Madras, Tamil Nadu, India
[8] Novartis Pharma AG, Basel, Switzerland