function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ann. Natal Mus. P\'mburg', 1],
    ['Aqua, Journal of Ichthyology and Aquatic Biology', 1],
    ['Bulletin of the Research Council of Israel', 1],
    ['Bulletin of the United States Bureau of Fisheries', 1],
    ['Bulletin of the United States Fish Commission', 1],
    ['Bulletin of the United States National Museum', 1],
    ['Fauna of Saudi Arabia', 1],
    ['Journal of Aquariculture and Aquatic Sciences', 1],
    ['Occasional Papers of the Bernice P. Bishop Museum', 1],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 1],
    ['Proceedings of the California Academy of Sciences, Series 4', 1],
    ['Proceedings of the United States National Museum, 3', 2],
    ['Publications of the Field Museum of Natural History, Zoölogical', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=14)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerSource', 'pie', 13, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerSource'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerSource);