151190
He was the second choice after Geert De Vlieger when Robert Waseige was the national team manager , and later after Silvio Proto when Aimé Antheunis coached the national team , whereupon he decided to quit the national team in 2005 , disappointed not to be chosen as the first choice goalkeeper .
 Geert De Vlieger, Robert Waseige, Silvio Proto, goalkeeper
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Geert De Vlieger, Robert Waseige, Silvio Proto, goalkeeper