function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Biodiversity Data Journal', 833],
    ['European Journal of Taxonomy', 77],
    ['Journal of Natural History', 187],
    ['Laurentius Salvius', 9],
    ['Mémoires du Muséum National d’Histoire Naturelle, Série A, Zoologie', 9],
    ['Records of the Australian Museum', 64],
    ['Smithsonian Contribution to Zoology', 6],
    ['Smithsonian Miscellaneous Collections', 6],
    ['Species Diversity', 27],
    ['Subterranean Biology', 10],
    ['ZooKeys', 482],
    ['Zoological Journal of the Linnean Society', 107],
    ['Zoosystema', 82],
    ['Zootaxa', 1661],
    ['Öfversigt af Konglelige Vetenskaps-Akademiens Förhandlingar', 16],
    ['Other (31)', 62]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=3638)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerSource', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerSource'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerSource);