6MyelofibrosisHow many myelofibrosis cases did you see in the last year? Never2 1-23 3-41 5-70 7-100 5AcromegalyHow many Acromegaly cases did you diagnose during your practice? Never0 1-21 3-53 6-91 >100 7Duchenne Muscular DystrophyHow many DMD cases did you see in your practice? Never0 1-24 3-52 6-90 >101