query: SELECT ?item ?itemLabel ?ORCID ?emp ?empLabel ?empStatement ?startTime ?count WHERE {
    {
      SELECT ?item ?ORCID ?emp ?empStatement ?startTime (COUNT(DISTINCT ?startTime_) AS ?count) WHERE {
         ?item wdt:P496 ?ORCID ;
          p:P108 ?empStatement .
    ?empStatement ps:P108 ?emp ;
                  pq:P580 ?startTime ;
                  pqv:P580 ?startTime_ . 
      } GROUP BY ?empStatement ?item ?emp ?ORCID ?startTime
      HAVING (?count > 1)
    } . 
    SERVICE wikibase:label {
      bd:serviceParam wikibase:language "en" .
    }
  }
  ORDER BY DESC(?count) ?emp