Ming Liu a, 1
These authors contributed equally to this work.
, Ya Gao a, 1
These authors contributed equally to this work.
, Shuzhen Shi a, Yamin Chen b, Kelu Yang b, Jinhui Tian a, b, c, ⁎ 
a Evidence Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
b School of Nursing, Lanzhou University, Lanzhou 730000, China
c Key Laboratory of Evidence-Based Medicine and Knowledge Translation of Gansu Province, Lanzhou 730000, China
⁎Correspondence to: Jinhui Tian, Evidence-Based Medicine Centre, School of Basic Medical Sciences, Evidence-Based Nursing Center, School of Nursing, Lanzhou University, No.199, Donggang West Road, Lanzhou City, 730000, Gansu Province, China.Evidence-Based Medicine CentreSchool of Basic Medical SciencesEvidence-Based Nursing CenterSchool of NursingLanzhou UniversityNo.199, Donggang West RoadLanzhou CityGansu Province730000China
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