function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 108],
    ['Annali del Museo Civico di Storia Naturale \' Giacomo Doria\'', 16],
    ['Baltic Journal of Coleopterology', 49],
    ['Entomo Helvetica', 14],
    ['Entomologica basiliensia', 27],
    ['European Journal of Taxonomy', 79],
    ['Far Eastern Entomologist', 19],
    ['Japanese Journal of Systematic Entomology', 36],
    ['Japanese Journal of systematic Entomology, Monographic series', 63],
    ['Journal of Natural History', 16],
    ['Laurentius Salvius', 31],
    ['Linzer biologische Beiträge', 23],
    ['Papéis Avulsos de Zoologia', 53],
    ['ZooKeys', 136],
    ['Zootaxa', 283],
    ['Other (24)', 92]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=1045)',
    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);