function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Biologica Universitatis Daugavpiliensis', 6],
    ['Acta Entomologica Musei Nationalis Pragae', 41],
    ['Acta Musei Moraviae, Scientiae biologicae', 21],
    ['Biodiversity, Biogeography and Nature Conservation in WALLACEA and NEW GUINEA', 2],
    ['Biodiversity, Biogeography and Nature Conservation in Wallacea and New Guinea, Volume 3', 2],
    ['Bulletin de la Société Impériale des Naturalistes de Moscou', 3],
    ['Caucasian Entomological Bulletin', 5],
    ['Entomologische Blätter und Coleoptera', 4],
    ['Insecta Mundi', 2],
    ['Linzer biologische Beiträge', 134],
    ['Mitteilungen Der Schweizerischen Entomologischen Gesellschaft', 9],
    ['Revue suisse de Zoologie', 37],
    ['Vernate', 8],
    ['ZooKeys', 4],
    ['Zootaxa', 12],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=295)',
    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);