function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 76],
    ['Annali del Museo Civico di Storia Naturale \' Giacomo Doria\'', 5],
    ['Biodiversity Data Journal', 13],
    ['Boletín de la Asociación Española de Entomología', 4],
    ['Bulletin de la Société Entomologique de France', 6],
    ['Bulletin of the American Museum of Natural History', 81],
    ['Entomo Helvetica', 4],
    ['European Journal of Taxonomy', 13],
    ['Insecta Mundi', 177],
    ['Japanese Journal of Systematic Entomology', 8],
    ['The Coleopterists Bulletin', 116],
    ['ZooKeys', 143],
    ['Zool. Med. Leiden', 19],
    ['Zoosystema', 31],
    ['Zootaxa', 1188],
    ['Other (37)', 61]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=1945)',
    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);