Bandara, T. M. W. J.
Fernando, H. D. N. S.
Furlani, M.
Albinsson, I.
Dissanayake, M. A. K. L.
Ratnasekera, J. L.
Mellander, B.-E.
Funding for this research was provided by:
Carl Tryggers Foundation
Swedish Research Council
National Research Council of Sri Lanka (11-196)