The originally published version of this Article contained an error in the author list: the last and first names of all authors are inverted.
Before correction: Tsang Chun On Anderson, MD1, Yeung Wan Lung Ryo, MD2, Mak Ka Fung, MD3, Lui Wai Man, MD1
After correction: Chun On Anderson Tsang, MD1, Wan Lung Ryo Yeung, MD2, Ka Fung Mak, MD3, Wai Man Lui, MD1