function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Zootaxonomica Sinica', 2],
    ['Bulletin de la Société Philomathique de Paris, Série 7', 18],
    ['Bulletin of the American Museum of Natural History', 8],
    ['Bulletin of the United States National Museum', 2],
    ['Cybium', 4],
    ['European Journal of Taxonomy', 48],
    ['Fossil Record', 2],
    ['Geodiversitas', 5],
    ['Mem. Inst. Rech. Sci. Madagascar, F', 3],
    ['Memoirs of the Faculty of Sciences Taihoku Imperial University Formosa', 2],
    ['New Zealand Journal of Science and Technology', 2],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 2],
    ['Zoological Journal of the Linnean Society', 8],
    ['Zoosystematics and Evolution', 6],
    ['Zootaxa', 136],
    ['Other (32)', 35]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=283)',
    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);