House M.D. Sub-specialties

[petitecuriosity]

All of the characters have their chosen sub-specialties. Why do you think they chose them?

House - Infectious Disease and Nephrology
Wilson - Oncology
Cuddy - Endocrinology
Foreman - Neurology
Chase - Intensive Care
Cameron - Immunology
Thirteen - Internal Medicine
Taub - Plastic Surgery
Kutner - Sports Medicine
Adams - ?
Park - Neurology