Supported by industry with co-sponsorship of WHO
it was prompted by a remarkable growth of the knowledge about every aspect of this disease
17 Members Scientific Organizing Committee (S. Rich & L. J. Rubin, co-chairs) and 85 Members Task Forces
Main advances:
Better understanding of the mechainsms of the disease
A clinical classification was proposed
Identication of effective therapies (Calcium antagonists, Epoprostenol, Lung Transplantation)