function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Biodiversity Data Journal', 2],
    ['Biol. Results " Endeavour "', 1],
    ['Bulletin of Marine Science', 4],
    ['Bulletin of the United States Fish Commission', 1],
    ['Bulletin of the Vanderbilt Marine Museum', 1],
    ['European Journal of Taxonomy', 1],
    ['F. G. Levrault', 1],
    ['Journal of Natural History', 1],
    ['Mémoires de la Société Linnéenne de Paris', 1],
    ['Privately published', 1],
    ['Proceedings of the California Academy of Sciences, Series 4', 1],
    ['Proceedings of the Linnean Society of New South Wales', 1],
    ['Report of the British Association for the Advancement of Science', 1],
    ['Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin', 2],
    ['Zootaxa', 5],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=25)',
    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);