function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Cah. Indo-Pacif.', 1],
    ['Copeia', 1],
    ['European Journal of Taxonomy', 1],
    ['Ichthyological Bulletin of the J. L. B. Smith Institute of Ichthyology', 1],
    ['Japanese Journal of Ichthyology', 1],
    ['Oceanologica et Limnologica Sinica', 1],
    ['Proceedings of the United States National Museum, 3', 1],
    ['Rep. Kôchi Univ. Nat. Sci. Japan', 1],
    ['Stuttgarter Beiträge zur Naturkunde Serie A, Serie A (Biologie)', 1],
    ['Zoologicheskii Zhurnal', 2],
    ['Zootaxa', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=14)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerSource', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerSource'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerSource);