Author contributions
HT, RLC
Conception and design: RLC, AO, and YN. Provision of patients and collection of data: MM, KI, HN, HK, SK, KU, SN, HT, MO, MT, HT, SN, DA, RLC, TE, and AO. Assembly of data: YN, CKR, HH, and HX. Data analysis: YN and HX. Data interpretation: all authors. Reviewing/editing the manuscript: all authors. Final approval of the manuscript: all authors.