title: Serum cotinine levels should optimally be measured when evaluating the outcomes of cartilage tympanoplasty in smokers.
authors.affiliation: Department of Otorhinolaryngology operating theatre (OR), Yiwu central Hospital, Yiwu city, 322000, Zhejiang province, China.
authors.forename: Xudan
authors.initials: X
authors.lastname: Lou
authors.affiliation: Department of clinical medicine, Xinxiang medical university, Xinxiang city, 453003, Henan province, China. louxudan@126.com.
authors.forename: Zi-Han
authors.initials: ZH
authors.lastname: Lou