1. a Department of Pediatrics , University of Minnesota , Minneapolis , MN , 55414
2. b Pro-Choice Resources , Minneapolis , MN , 55401
3. c Department of Pediatrics , University of Minnesota , Minneapolis , MN , 55414
4. d Center for Adolescent Nursing , University of Minnesota, School of Nursing , Minneapolis , MN , 55455
5. e Department of Pediatrics , University of Minnesota , Minneapolis , MN , 55414