International Society of Nephrology research, diagnosis, treatment, and prevention of kidney disease. The ISN has over 9,000 professional members from more than 126 countries. In addition, the ISN closely collaborates with over 75 national and regional nephrology societies around the world, representing about 20,000 professionals. The ISN continues to develop and consolidate several programs, initiatives and partnerships that will help to further deliver on its two overarching goals: reducing the incidence and impact of kidney disease worldwide, and making the ISN the leading international organization for all issues related to the science and practice of global nephrology. In 1992 the society formed a task
The six organs in the Palace of Mafra The six organs in the Palace of Mafra Since their recent restoration, the six organs in the Basilica of the Palace of Mafra have become widely known around the world. The six instruments - designed and built all at the same time, and designed to play together as well - were built by the two most important Portuguese organ builders of the time – António Xavier Machado e Cerveira and Joaquim António Peres Fontanes – and were completed between 1806 and 1807. The last two were inaugurated on 4 October 1807, and a substantial number of compositions involving all six