function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Archives de l\'Institut Pasteur de Tunis', 1],
    ['Biodiversity Data Journal', 1],
    ['Boletim do Muse Nacional, Série Zoologia', 1],
    ['Bulletin of the Biogeographical Society of Japan', 1],
    ['Environmental Biology of Fishes', 1],
    ['European Journal of Taxonomy', 3],
    ['Fish Culturist', 1],
    ['Japanese Journal of Ichthyology', 1],
    ['Journal of Natural History', 2],
    ['Ogawa Press, Maizuru', 1],
    ['Proceedings of the Royal Society of Queensland', 1],
    ['Quarterly Journal of the Taiwan Museum', 1],
    ['Sanfilippo', 1],
    ['Zootaxa', 28]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=44)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerSource', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerSource'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerSource);