Epidemiological evidence for a hereditary contribution to myasthenia gravis: a retrospective cohort study of patients from North America oleh Joel Oger, Joshua D Green, Bryan J Traynor, Richard J Barohn, Michael Benatar, Emanuela Bartoccion, Derrick Blackmore, Manisha Chopra, Andrea Corse, Mazen M Dimachkie, Amelia Evoli, Julaine Florence, Miriam Freimer, James F Howard, Theresa Jiwa, Henry J Kaminski, John T Kissel, Wilma J Koopman, Bernadette Lipscomb, Michelanglo Maestri, Mariapaola Marino, Janice M Massey, April McVey, Michelle M Mezei, Michael W Nicolle, Robert M Pascuzzi, Mamatha Pasnoor, Alan Pestronk, Carlo Provenzano, Roberta Ricciardi, David P Richman, Julie Rowin, Donald B Sanders, Zaeem Siddiqi, Aimee Soloway, Gil I Wolfe, Charlie Wulf, Daniel B Drachman