title: Who are our readers?
authors.forename: Pontus B
authors.initials: PB
authors.lastname: Persson
mesh_terms: D002681:China; D009656:North America; D010506:Periodicals as Topic / Q000706:statistics & numerical data* / Q000639:trends; D010827:Physiology / Q000706:statistics & numerical data*; D012537:Scandinavian and Nordic Countries; D013997:Time Factors