title: Sample-size calculation for repeated-measures and longitudinal studies.
authors.affiliation: Assistant professor, Department of Health Outcomes and Policy, College of Medicine, University of Florida, Gainesville, Fla. Electronic address: yiguo@ufl.edu.
authors.forename: Yi
authors.initials: Y
authors.lastname: Guo
authors.affiliation: Private practice, Corfu, Greece; visiting assistant professor, Department of Orthodontics and Dentofacial Orthopedics, Faculty of Medicine, University of Bern, Bern, Switzerland.
authors.forename: Nikolaos
authors.initials: N
authors.lastname: Pandis
mesh_terms: D018865:Dental Research / Q000706:statistics & numerical data*; D005115:Extraoral Traction Appliances; D006801:Humans; D008137:Longitudinal Studies; D016382:Orthodontic Appliance Design; D017289:Orthodontic Appliances, Functional; D009970:Orthodontics / Q000706:statistics & numerical data*; D057887:Overbite / Q000628:therapy; D012107:Research Design / Q000706:statistics & numerical data; D018401:Sample Size; D012984:Software