title: Parting thoughts on acne, skin aging, and smoking.
authors.affiliation: Center for Research & Training in Skin Diseases & Leprosy, Tehran University of Medical Sciences, Tehran, Iran. firozali@sina.tums.ac.ir
authors.forename: Alireza
authors.initials: A
authors.lastname: Firooz
authors.forename: Reza
authors.initials: R
authors.lastname: Sarhangnejad