function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 1],
    ['African Invertebrates', 1],
    ['Arthropod Systematics & amp; Phylogeny', 9],
    ['Biota Neotropica', 5],
    ['British Museum', 19],
    ['European Journal of Taxonomy', 11],
    ['Insecta Mundi', 15],
    ['Insects of Guam II', 2],
    ['Journal of Natural History', 20],
    ['Memoirs of the Queensland Museum', 13],
    ['Subterranean Biology', 2],
    ['Transactions of the Entomological Society of London', 4],
    ['ZooKeys', 51],
    ['Zoological Systematics', 15],
    ['Zootaxa', 434],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=607)',
    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);