Defining Safe Hydroxychloroquine Blood Levels: Time to Switch to Precision Monitoring for Optimized Lupus CareShivani Garg,Benoit Blanchet,Yann Nguyen, Fauzia Hollnagel, Ada Clarke,Michelle Petri,Murray Urowitz,John Hanly,Caroline Gordon,Sang-Cheol Bae,Juanita Romero-Diaz, Jorge Sanchez-Guerrero,Ann Clarke,Sasha Bernatsky,Daniel Wallace, David A. Isenberg,Anisur Rahman,Joan Merrill, Paul Fortin, Dafna D. Gladman,Ian Bruce,Ellen Ginzler,Mary Anne Dooley,Rosalind Ramsey-Goldman,Susan Manzi,Andreas Jonsen,Graciela Alarcon,Ronald van Vollenhoven,Cynthia Aranow,Murat Inanc, Meghan Mackay,Guillermo Ruiz-Irastorza,S. Sam Lim, Murat Inac,Kenneth Kalunian,Soren Jacobsen,Christine Peschken,Diane Kamen,Anca Askanase, Jill Buyon, Julie Chezel,Alicja Puszkiel,Nathalie Costedoat-Chalumeau