Rajapakse G, Atukorala I, Wijayaratne L, Udagama-Randeniya P.  Preliminary study on immunological, socioeconomic and disease characterization aspects of a  population of Rheumatoid arthritis patients in Sri Lanka. Allergy & Immunology Sessions of Sri Lanka November 2006 Abs. p.  . Awarded the Best Scientific Paper in clinical immunology