function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 15],
    ['Amurian Zoological Journal', 5],
    ['Annals and Magazine of Natural History, Including Zoology, Botany and Geology, Being a Continuation of the \' Magazine of Botany ', 1],
    ['Annals of the Carnegie Museum', 5],
    ['Biodiversity Data Journal', 75],
    ['Ecologica Montenegrina', 1],
    ['Entomo Helvetica', 18],
    ['Entomologist\'s monthly magazine', 8],
    ['Insecta Mundi', 50],
    ['Japanese Journal of Systematic Entomology', 2],
    ['Linzer biologische Beiträge', 40],
    ['Proceedings of the California Academy of Sciences', 3],
    ['The Coleopterists Bulletin', 35],
    ['ZooKeys', 334],
    ['Zootaxa', 88],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=683)',
    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);