Global Spa Market Size, Trends, By Service Type (Massage, Beauty/Grooming, Physical Fitness, Other Service Types), By Facility Type (Hotel/Resorts Spa, Destination Spa, Day/Salon Spa, Medical Spa, Mineral Spring Spa, Other Facility Types), By End User (Male, Female) and By Region (North America, Latin America, Europe, Asia Pacific, Central America and Africa): Global Opportunity Analysis and Indus