function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Biologica Universitatis Daugavpiliensis', 274],
    ['Acta Entomologica Musei Nationalis Pragae', 200],
    ['Biodiversity Data Journal', 102],
    ['Caucasian Entomological Bulletin', 588],
    ['European Journal of Taxonomy', 136],
    ['Insect Systematics and Diversity', 82],
    ['Insecta Mundi', 465],
    ['Insects of Guam I', 86],
    ['Journal of Natural History', 331],
    ['Laurentius Salvius', 143],
    ['Linzer biologische Beiträge', 176],
    ['Mémoires du Muséum national d\'Histoire naturelle', 151],
    ['The Coleopterists Bulletin', 535],
    ['ZooKeys', 1607],
    ['Zootaxa', 6075],
    ['Other (237)', 1460]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=12411)',
    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);