function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 446],
    ['Biodiversity Data Journal', 104],
    ['Biologia Centrali-Americana', 10],
    ['Bulletin de la Société Impériale des Naturalistes de Moscou', 7],
    ['Check List', 19],
    ['Deutsche Entomologische Zeitschrift', 41],
    ['European Journal of Taxonomy', 16],
    ['Far Eastern Entomologist', 8],
    ['Insecta Mundi', 16],
    ['Journal of Natural History', 148],
    ['Russian Entomological Journal', 41],
    ['The Coleopterists Bulletin', 57],
    ['ZooKeys', 401],
    ['Zoological Journal of the Linnean Society', 58],
    ['Zootaxa', 445],
    ['Other (38)', 65]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=1882)',
    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);