function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 9],
    ['American Museum Novitates', 5],
    ['Annales de la Société Entomologique de France, Nouvelle Série', 3],
    ['Biodiversity Data Journal', 110],
    ['Current Biology', 3],
    ['Entomo Helvetica', 21],
    ['European Journal of Taxonomy', 85],
    ['Evolutionary Systematics', 9],
    ['Insecta Mundi', 336],
    ['Japanese Journal of Systematic Entomology', 3],
    ['Journal of Natural History', 88],
    ['Proceedings of the Hawaiian Entomological Society', 6],
    ['ZooKeys', 15],
    ['Zoological Systematics', 17],
    ['Zootaxa', 969],
    ['Other (25)', 38]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=1717)',
    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);