function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['American Museum Novitates', 208],
    ['Australasian Journal of Herpetology', 176],
    ['Biodiversity Data Journal', 115],
    ['Bulletin of the American Museum of Natural History', 431],
    ['Check List', 235],
    ['Geodiversitas', 307],
    ['Laurentius Salvius', 171],
    ['Megataxa', 375],
    ['South American Journal of Herpetology', 412],
    ['Vertebrate Zoology', 180],
    ['ZooKeys', 219],
    ['Zoological Journal of the Linnean Society', 668],
    ['Zoosystema', 242],
    ['Zoosystematics and Evolution', 181],
    ['Zootaxa', 4547],
    ['Other (249)', 1641]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=10108)',
    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);