Potential factors of specialists' willingness to write editorial and commentary: a retrospective study based on 5,091 invitations.

Background: Editorials and commentaries (E/C) are common article categories and usually solicited by editors in many journals. However, not all experts accept invitation for an E/C essay for a variety of reasons. We conducted this study to explore the potential influence factors contributing whether an invitation to write E/C is accepted by a specialist.