General hospital with separate psychiatric unit Hospital inpatient; Under age 18; Ages 18 and older; Seniors 65 and older; Youth with serious emotional disturbance; Transition-aged young adults aged 18-25; Adults with serious mental illness; Individuals with Alzheimer\'s or dementia; Individuals with co-occurring mental and substance abuse disorders; Crisis Intervention Team; Psychiatric Emergency Walk-In Services; Medicaid; Medicare; Client/patient fees (i.e., out-of-pocket); Private health insurance;