1. Department of Scientific Research, The Metropolitan Museum of Art, 1000 Fifth Avenue, New York, New York 10028, United States
2. John Jay College of Criminal Justice, CUNY, 445 West 59th Street, New York, New York, 10019, United States
3. The Walters Art Museum, 600 N. Charles Street, Baltimore, Maryland 21201, United States
4. Department of Chemistry and Center for Analysis of Structures and Interfaces (CASI), The City College of New York, New York, 10031, United States