function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Biodiversity Data Journal', 4],
    ['Bulletin of the Museum of Comparative Zoology at Harvard College', 5],
    ['Copeia', 5],
    ['Cybium', 9],
    ['Discovery Reports', 5],
    ['Doklady Akademiia Nauk SSSR', 5],
    ['European Journal of Taxonomy', 4],
    ['Ezhegodnik Zoologicheskogo Muzeya Ross. Akademii Nauk', 4],
    ['Ichthyological Research', 5],
    ['Issled. Morei SSSR, Leningrad', 4],
    ['Memoirs of the Faculty of Fisheries Hokkaido University', 6],
    ['Proceedings of the California Academy of Sciences, Series 4', 12],
    ['Proceedings of the United States National Museum, 3', 15],
    ['Voprosy Ikhtiologii', 20],
    ['Zootaxa', 127],
    ['Other (60)', 96]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=326)',
    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);