"opening_hours"=>"Mo-Fr 08:00-12:00,13:00-17:00","source:date"=>"2014-03-24"
"healthcare:speciality"=>"plastic_surgery","source:date"=>"2014-03-24"
"healthcare:speciality"=>"emergency","operator"=>"Doktersdienst Groningen","phone:NL"=>"0900 9229","source:date"=>"2017-09-29","url"=>"http://www.doktersdienstgroningen.nl"