Original sentence: On 15 January 2008, S.SIgN currently includes around 200 scientists from 25 countries, working under 18 Principal Investigators.Scientists such as Dr Wong Siew Cheng, Dr Jean-Pierre Abastado, Dr Subhra Kumar Biswas and Dr Alessandra Nardin also joined and set up the first few laboratory groups at SIgN thereafter.The group's headquarters is in 6000m2 of laboratories and office space in the Immunos building at Biopolis
Edited sentence: 6000m2 of new laboratories and office space in the Immunos building at Biopolis is the home of SIgN.On 15 January 2008, Mr S.Pioneer scientists such as Dr Wong Siew Cheng, Dr Jean-Pierre Abastado, Dr Subhra Kumar Biswas and Dr Alessandra Nardin also joined and set up the first few laboratory groups at SIgN thereafter.Since its launch SIgN has grown rapidly, and currently includes around 200 international scientists from 25 different countries of the world, working under 18 renowned Principal Investigators