Department of Chemistry, University of Massachusetts, Lowell, Massachusetts, United States of America.|Natuur- en Sterrenkunde and LaserLab, Vrije Universiteit, Amsterdam, The Netherlands.|Moscow Institute of Physics and Technology, Moscow Region, Russia.|Department of Chemistry, University of Massachusetts, Lowell, Massachusetts, United States of America.|Natuur- en Sterrenkunde and LaserLab, Vrije Universiteit, Amsterdam, The Netherlands.|Moleculaire Biofysica, Zernike instituut, Rijksuniversiteit Groningen, Groningen, The Netherlands.|Department of Chemistry, University of Massachusetts, Lowell, Massachusetts, United States of America.