function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['American Museum Novitates', 13],
    ['Annals and Magazine of Natural History, Including Zoology, Botany and Geology, Being a Continuation of the \' Magazine of Botany ', 5],
    ['Archiv für Fischereiwissenschaft', 2],
    ['Australian zoologist', 2],
    ['Bulletin de l\'Institut Océanographique de Monaco', 3],
    ['Bulletin of Marine Science', 2],
    ['Cybium', 2],
    ['European Journal of Taxonomy', 31],
    ['Memoirs of the Indian Museum', 2],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 2],
    ['Proceedings of the United States National Museum, 3', 3],
    ['Scientific Results of the M. Sars North Atlantic Deep-Sea Expedition 1910', 3],
    ['Special Bulletin of the United States National Museum', 4],
    ['Voprosy Ikhtiologii', 7],
    ['Zootaxa', 23],
    ['Other (23)', 24]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=128)',
    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);