function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 17],
    ['American Museum Novitates', 5],
    ['Biodiversity Data Journal', 8],
    ['Boletín de la Sociedad Entomológica Aragonesa (S. E. A.)', 2],
    ['Entomologische Mitteilungen', 10],
    ['Insecta Mundi', 4],
    ['Insects of Guam I', 2],
    ['Journal of Hymenoptera Research', 5],
    ['Linzer biologische Beiträge', 98],
    ['Papéis Avulsos de Zoologia', 4],
    ['Raffles Bulletin of Zoology', 12],
    ['Records of the Zoological Survey of India', 3],
    ['ZooKeys', 29],
    ['Zoological Studies', 10],
    ['Zootaxa', 236],
    ['Other (6)', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=452)',
    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);