function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Antarctic Research Series', 1],
    ['Bulletin du Muséum National d’Histoire Naturelle, Série 2', 1],
    ['Bulletin du Muséum National d’Histoire Naturelle, Série 4, Section A, Zoologie, Biologie et Écologie d’Animal', 2],
    ['Bulletin of Marine Science', 1],
    ['Bulletin of the United States National Museum', 1],
    ['Contribuciones del Instituto Antarctico Argentino', 2],
    ['Cybium', 2],
    ['European Journal of Taxonomy', 1],
    ['Ichthyological Research', 2],
    ['Memoirs of the Faculty of Fisheries Hokkaido University', 2],
    ['Proceedings of the California Academy of Sciences, Series 4', 6],
    ['Species Diversity', 3],
    ['Travaux de l\'Institut de Zoologie Acad Sci U. R. S. S.', 4],
    ['Voprosy Ikhtiologii', 4],
    ['Zootaxa', 31],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=66)',
    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);