[1
]Department of Neurology, Johns Hopkins University, Baltimore, Maryland
[2
]Department of Neurobiology and the Neuroscience Institute, Morehouse School of Medicine,
Atlanta, Georgia
[3
]Department of Neurology, University of California, San Francisco, San Francisco
[4
]Department of Neurology, Washington University in St Louis, St Louis, Missouri
[5
]Department of Neurology, Northwestern University, Chicago, Illinois
[6
]Department of Neurology, Vanderbilt University Medical Center, Nashville, Tennessee
[7
]Department of Neurology, University of Pennsylvania, Philadelphia
[8
]Department of Neurology, Mayo Clinic, Rochester, Minnesota
[9
]Department of Neurology, University of Maryland, Baltimore
[10
]Department of Medicine, Johns Hopkins University, Baltimore, Maryland
[11
]Department of Medicine, Albany Medical College, Albany, New York
[12
]Department of Pharmacology and Toxicology, Faculty of Health Medicine and Life Sciences,
Maastricht University, Maastricht, Interstitial Lung Disease Center of Excellence,
St. Antonius Hospital, Nieuwegein, the Netherlands
[13
]Department of Medicine, University of Cincinnati, Cincinnati, Ohio