School Prescription
  School list
    select school -> School Activity
    fetch schools -> ViewModel
  ViewModel
    data available -> School list
    no data -> Service
  Service
    api_success -> School list
    api_fail -> School list

  School Activity
    Details Fragment
      swipe_right -> Prescription Fragment
    Prescription Fragment
      add -> Bottom Sheet
      swipe_left -> Details Fragment
      swipe_right -> Specimen Fragment
    Specimen Fragment
      add -> Bottom Sheet
      swipe_left -> Prescription Fragment
  Bottom Sheet
    select_from_search -> School Activity
    select -> School Activity
    cancel -> School Activity