1 Department of Plastic & Reconstructive Surgery, and Craniofacial Research Center, Chang Gung Memorial Hospital, and Chang Gung University, Taoyuan, Taiwan. Electronic address: lunjoulo@cgmh.org.tw.
2 Department of Life Sciences and Institute of Genome Sciences, National Yang Ming Chiao Tung University, Hsinchu, Taiwan. Electronic address: fhwa@nycu.edu.tw.