1. Division of Immuno-Virology, Institute of Emerging Diseases and Innovative Therapies, Commissariat à l'Energie Atomique, Fontenay-aux-Roses, France.
2. Chronic Viral Illnesses Service of the McGill University Health Centre, and Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada.
3. Assistance Publique–Hôpitaux de Paris, Hôpital Européen Georges Pompidou, Laboratoire de Virologie, and Faculté de Médecine Paris Descartes, Université Paris Descartes, Sorbonne Paris Cité, Paris, France.