Stickler, Ruben Lubowski, Pedro Piris-Cabezas, Sergio Rivero, Ane Alencar, Oriana Almeida, Osvaldo Stella.

ECONOMIST: Sources and acknowledgments

His vice president, Jose Alencar, died of prostate and stomach cancer in March 2011 and his current successor, Dilma Rousseff, suffered from lymphatic cancer in 2009 just prior to running for the presidency.

FORBES: Brazil's Ex-Pres Lula Begins Cancer Treatment

Mr Alencar's decree is another one-off exemption.

ECONOMIST: GM crops in Brazil