1. Department of Emergency Medicine, Division of Medical Toxicology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA;
2. Department of Pathology and Laboratory Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, USA;
3. Department of Integrated Medical Science, Charles E. Schmidt College of Medicine, Florida Atlantic University, Boca Raton, FL, USA;
4. Staff Toxicologist, Children's Hospital, Boston, MA, USA