function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annales de la Société Entomologique Belge', 1],
    ['Arachnologische Mitteilungen', 5],
    ['Biodiversity Data Journal', 2],
    ['European Journal of Taxonomy', 5],
    ['Evolutionary Systematics', 1],
    ['Pacific Insects', 1],
    ['Pacific insects monograph', 1],
    ['Raffles Bulletin of Zoology', 1],
    ['Revista do Museu Paulista', 1],
    ['Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin', 5],
    ['State Fauna Series 4 Fauna of Meghalaya Part 2', 8],
    ['UPLB Museum Publications in Natural History', 1],
    ['VERLAG VON LEOPOLD VOSS, BUCHHAENDLER D. K. ACADEHIE D. WISSENSCHAFTEN ZU ST. PETERSBURG', 1],
    ['Zoological Systematics', 4],
    ['Zootaxa', 7],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=47)',
    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);