1. CVPath Institute, Inc, Gaithersburg, MD (A.S., R. Kawakami, K.K., R. Kutys, L.G., M.M., A.C., Y.S., M.R., R.V., A.V.F.).
2. Ospedale Papa Giovanni XXIII Hospital, Bergamo, Italy (A.G., D.P., A.B., L.F., G.G.).
3. University of Maryland, Baltimore (C.H., A.V.F.).