function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 2391],
    ['American Museum Novitates', 234],
    ['Biodiversity Data Journal', 2085],
    ['Bulletin of the American Museum of Natural History', 730],
    ['Check List', 337],
    ['European Journal of Taxonomy', 962],
    ['Insecta Mundi', 1283],
    ['Journal of Natural History', 943],
    ['Linzer biologische Beiträge', 1496],
    ['Raffles Bulletin of Zoology', 390],
    ['The Florida Entomologist', 273],
    ['ZooKeys', 2110],
    ['Zoological Journal of the Linnean Society', 335],
    ['Zoosystema', 732],
    ['Zootaxa', 28618],
    ['Other (439)', 5735]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=48654)',
    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);