How many different affiliations do the authors of 'A physiological information extraction method based on wearable PPG sensors with motion artifact removal' have?
Count the different affiliations of the authors of 'A physiological information extraction method based on wearable PPG sensors with motion artifact removal'.
SELECT (COUNT(DISTINCT ?answer) AS ?count) WHERE { <https://dblp.org/rec/conf/icc/LinM16> <https://dblp.org/rdf/schema#authoredBy> ?x . ?x <https://dblp.org/rdf/schema#primaryAffiliation> ?answer }
<https://dblp.org/rec/conf/icc/LinM16>