function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annals and Magazine of Natural History', 3],
    ['Boletim do Museu Municipal do Funchal', 1],
    ['Bulletin of Marine Science', 1],
    ['Bulletin of the Misaki Marine Biological Institute Kyoto University', 1],
    ['Bulletin of the Museum of Comparative Zoology at Harvard College', 3],
    ['Bulletin of the United States National Museum', 3],
    ['Journal Sigenkagaku Kenkyusyo', 2],
    ['Memoirs of the National Museum of Victoria', 1],
    ['Occasional Papers of the California Academy of Sciences', 1],
    ['Proceedings of the Biological Society of Washington', 2],
    ['Proceedings of the California Academy of Sciences, Series 4', 1],
    ['Proceedings of the Royal Irish Academy, Section B., Biological, Geological, and Chemical Science', 1],
    ['Proceedings of the United States National Museum, 3', 6],
    ['Rec. Albany Mus. Grahamstown', 1],
    ['Report of the United States Commissioner of Fish and Fisheries', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=28)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerSource', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerSource'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerSource);