function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Biologica Sibirica', 5],
    ['Acta Entomologica Musei Nationalis Pragae', 71],
    ['Biodiversity Data Journal', 157],
    ['Bulletin of the British Museum (Natural History), Entomology Series', 5],
    ['Check List', 39],
    ['Deutsche Entomologische Zeitschrift', 10],
    ['Evolutionary Systematics', 3],
    ['Insect Systematics and Diversity', 4],
    ['Journal of Natural History', 4],
    ['Linzer biologische Beiträge', 43],
    ['Papéis Avulsos de Zoologia', 5],
    ['The Entomologist', 6],
    ['ZooKeys', 34],
    ['Zoosystema', 70],
    ['Zootaxa', 398],
    ['Other (13)', 19]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=873)',
    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);