[1] Brigham & Womens Hosp, 75 Francis St, Boston, MA 02115 USA
[2] Harvard Med Sch, Boston, MA USA
[3] Harvard Med Sch, Massachusetts Gen Hosp, Dept Neurol, Boston, MA USA
[4] Jigme Dorji Wangchuck Natl Referral Hosp, Dept Psychiat, Thimphu, Bhutan
[5] Jigme Dorji Wangchuck Natl Referral Hosp, Dept Radiol, Thimphu, Bhutan
[6] Harvard TH Chan Sch Publ Hlth, Boston, MA USA
[7] Massachusetts Gen Hosp, Boston, MA 02114 USA
[8] Harvard, Brigham, Massachusetts Gen Hosp, Boston, MA USA