Tseung Kwan O Hospital, Tseung Kwan O, Hong Kong, China
Disclosure: There is no conflict of interest or other disclosures.
Reprints: Chi Fung Choy, FHKAM (Medicine), Department of Medicine, 1/F, Tseung Kwan O Hospital, No. 2 Po Ning Lane, Hang Hau, Tseung Kwan O, Hong Kong 00852, China (e-mail: email@example.com).
Received November 21, 2015
Accepted February 2, 2016