National Center for Biotechnology Information NCBI NLM MEDLINE humans pubmed abstract nih national institutes of health national library of medicine logistic models research support non-u.s. gov't adult female male age factors adolescent aged middle aged united states / epidemiology young adult Child Infant Skin Diseases newborn preschool 80 and over community-acquired infections / epidemiology community-acquired infections / microbiology multivariate analysis infectious / microbiology soft tissue infections / microbiology staphylococcal skin infections / epidemiology* staphylococcal skin infections / microbiology soft tissue infections / epidemiology* community-acquired infections / diagnosis dermatitis / microbiology communicable diseases methicillin-resistant staphylococcus aureus* daniel j pallin carlos a camargo emerging / microbiology health care surveys emerging / epidemiology infectious / diagnosis infectious / epidemiology* staphylococcal skin infections / diagnosis pmid:19663690 doi:10.1086/605434 janice a espinola emerging / diagnosis dermatitis / diagnosis dermatitis / epidemiology* international classification of diseases office visits / statistics & numerical data* office visits / trends soft tissue infections / diagnosis