function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annales de la Société d\'Histoire Naturelle de Maurice', 1],
    ['Bulletin de la Société Philomathique de Paris, Série 7', 1],
    ['Cybium', 1],
    ['European Journal of Taxonomy', 4],
    ['Geodiversitas', 1],
    ['Hong Kong Naturalist', 1],
    ['Japanese Journal of Ichthyology', 1],
    ['Journal of the Ocean Science Foundation', 3],
    ['K. Danske Vidensk. Selsk. Naturvid. Math. Afhandl.', 1],
    ['Laurentius Salvius', 2],
    ['Mitteilungen aus dem Zoologischen Museum in Berlin', 3],
    ['Nature', 1],
    ['Proceedings of the United States National Museum, 3', 2],
    ['Zoological Studies', 2],
    ['Zootaxa', 15],
    ['Other (7)', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=46)',
    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);