function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Zoologica Academiae Scientiarum Hungaricae', 3],
    ['African Invertebrates', 3],
    ['Archiv für Molluskenkunde', 55],
    ['Basteria', 1],
    ['Biodiversity Data Journal', 2],
    ['Bulletin of the National Science Museum, Series A (Zoology)', 1],
    ['European Journal of Taxonomy', 21],
    ['Raffles Bulletin of Zoology', 18],
    ['The American Midland Naturalist', 2],
    ['Venus, Journal of the Malacological Society of Japan', 2],
    ['Vernate', 2],
    ['ZooKeys', 691],
    ['Zoosystema', 5],
    ['Zoosystematics and Evolution', 9],
    ['Zootaxa', 45],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=862)',
    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);