Authors’ contributions
KSL, JPH, JHY were involved in the conception and design of the study; KSL YLW, WCH, JPH were involved in collected clinic patients in MacKay Memorial Hospital; KSL, JHY contributed to data analysis and interpretation; JPH as co-corresponding authors, had the major roles in advising, drafting, and revising the draft. All authors were involved in the writing of the manuscript and provided final approval.