title: [The burden is heavy and the road is long].
authors.affiliation: Department of Otorhinolaryngology Head and Neck Surgery, the People' s Liberation Army Hospital, Beijing 100853, China.
authors.forename: D Y
authors.initials: DY
authors.lastname: Han
authors.affiliation: Journal of the Chinese Medical Association Beijing 100710, China.
authors.forename: Y X
authors.initials: YX
authors.lastname: Fang