function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Zoologica Academiae Scientiarum Hungaricae', 5],
    ['Biodiversity Data Journal', 71],
    ['Can Ent', 8],
    ['Denkschriften der Kaiserlichen Akademie der Wissenschaften, Wien. Mathematisch-Naturwissenschaftliche Klasse', 4],
    ['Entomo Helvetica', 9],
    ['Far Eastern Entomologist', 30],
    ['Fragmenta entomologica', 8],
    ['Journal of Natural History', 7],
    ['Kungliga Svenska Vetenskapsakademiens Handlingar', 19],
    ['Notulae Naturae', 5],
    ['Proceedings of the Hawaiian Entomological Society', 5],
    ['Records of the Australian Museum', 12],
    ['Transactions of the American Entomological Society', 7],
    ['ZooKeys', 126],
    ['Zootaxa', 647],
    ['Other (29)', 43]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=1006)',
    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);