function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 8],
    ['Biodiversity journal', 1],
    ['Caucasian Entomological Bulletin', 1],
    ['European Journal of Taxonomy', 14],
    ['Far Eastern Entomologist', 2],
    ['Insecta Mundi', 95],
    ['Journal of Natural History', 50],
    ['Mémoires du Muséum national d\'Histoire naturelle', 4],
    ['Revue Suisse de Zoologie', 2],
    ['The Coleopterists Bulletin', 17],
    ['ZooKeys', 42],
    ['Zookeys', 51],
    ['Zoological Systematics', 2],
    ['Zoosystema', 12],
    ['Zootaxa', 45],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=347)',
    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);