The paper 'Performance evaluation of mobile medical multimedia transmission over ITS GeoNetworking protocol' has how many authors?
How many authors does 'Performance evaluation of mobile medical multimedia transmission over ITS GeoNetworking protocol' have?
SELECT ?answer WHERE { <https://dblp.org/rec/conf/healthcom/VargaB16> <https://dblp.org/rdf/schema#numberOfCreators> ?answer }
<https://dblp.org/rec/conf/healthcom/VargaB16>