function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Biodiversity Data Journal', 55],
    ['Boletín Científico Centro de Museos, Museo de Historia Natural', 10],
    ['Caucasian Entomological Bulletin', 6],
    ['Check List', 14],
    ['Evolutionary Systematics', 35],
    ['Insecta Mundi', 53],
    ['Journal of Natural History', 10],
    ['Linzer biologische Beiträge', 72],
    ['Metamorphosis', 22],
    ['Revista Chilena de Entomología', 13],
    ['Sugapa Digital', 6],
    ['ZooKeys', 52],
    ['Zoological Journal of the Linnean Society', 9],
    ['Zoosystema', 29],
    ['Zootaxa', 675],
    ['Other (56)', 97]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=1158)',
    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);