Mention the number of authors of the paper 'Meta-Pose: Environment-adaptive Human Skeleton Tracking with RFID'.
How many authors does 'Meta-Pose: Environment-adaptive Human Skeleton Tracking with RFID' have?
SELECT ?answer WHERE { <https://dblp.org/rec/conf/globecom/0025WWM21> <https://dblp.org/rdf/schema#numberOfCreators> ?answer }
<https://dblp.org/rec/conf/globecom/0025WWM21>