Polish Society of Nephrology improvements in continuous professional development as well as research activities among young doctors and other professionals in the fields of nephrology, dialysis therapy and renal transplantation. PSN Congresses are organized every three years. As yet twelve Congresses were held in the following locations in Poland: 1st Congress - Bydgoszcz (1983) 2nd Congress - Kraków (1986) 3rd Congress - Gdańsk (1989) 4th Congress - Katowice (1992) 5th Congress - Lublin (1995) 6th Congress - Poznań (1998) 7th Congress - Kraków (2001) 8th Congress - Białystok (2004) 9th Congress – Katowice/Wisła (2007) 10th Congress - Bydgoszcz (2010) 11th Congress - Wrocław (2013)
Organs and organists of Chichester Cathedral Organs and organists of Chichester Cathedral The organs of Chichester Cathedral are the major source of instrumental music at the cathedral, being played for daily services and accompanying the choir, as well as being used for concerts and recitals. There has been organ music at Chichester Cathedral almost continuously since the medieval period, with a break in the mid-17th century during the Commonwealth period. There are now five pipe organs at Chichester Cathedral, with pipes of the Main Organ dating to the Restoration, the Hurdis Organ to the late 18th century and the three most recent organs dating to the