1 Department of Science, School of Science and Technology, Hong Kong Metropolitan University, Hong Kong, China.
2 Department of Laboratory, Dhahran Eye Specialist Hospital, Dhahran, Saudi Arabia.
3 School of Nursing, Tung Wah College, Hong Kong, China.
4 Key Laboratory of Molecular Target and Clinical Pharmacology, State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, China.
5 Specialty Internal Medicine and Quality Department, Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia; Indiana University School of Medicine, Indianapolis, Indiana, USA; Johns Hopkins University School of Medicine, Baltimore, USA.