Contribution to authorship
Y.L., Z.S., and H.W. participated in the design and plan of the study. Y.L. and Z.S. contributed to the data collection. Y.L. and H.W. drafted the manuscript. Y.L. and H.W. revised the manuscript critically. All authors read and approved the final manuscript.
Details of ethical approval
No ethical approval was sought, but written consent to
publish was obtained from the patient