public SymptomsController(
     ApplicationDbContext db,
     ISymptomsServices symptomsService,
     IBodySystemsService bodySystemsService)
 {
     this.db = db;
     this.symptomsService    = symptomsService;
     this.bodySystemsService = bodySystemsService;
 }
 public BodySystemsController(ApplicationDbContext db, IBodySystemsService bodySystemsService)
 {
     this.db = db;
     this.bodySystemsService = bodySystemsService;
 }