function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 23],
    ['Biodiversity Data Journal', 299],
    ['European Journal of Taxonomy', 18],
    ['Fragmenta Faunistica', 72],
    ['Journal of Natural History', 49],
    ['Linzer biologische Beiträge', 102],
    ['Mémoires Présentés par Divers Savans à l\'Académie Royale des Sciences de l\'Institut de France, et Imprimés par son Ordre', 71],
    ['Papéis Avulsos de Zoologia', 16],
    ['Phytotaxa', 37],
    ['Report on the Scientific Results of the Voyage of H. M. S. Challenger During the Years 1873 – 76, Zoology', 14],
    ['Smithsonian Miscellaneous Collections', 39],
    ['ZooKeys', 58],
    ['Zoological Journal of the Linnean Society', 22],
    ['Zoological Systematics', 20],
    ['Zootaxa', 1427],
    ['Other (43)', 123]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=2390)',
    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);