function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Medica Okayama', 2],
    ['Acta Medicinae Okayama', 1],
    ['Acta Zootaxonomica Sinica', 1],
    ['Allan Hancock Pacific Expeditions', 2],
    ['Australian Journal of Zoology, Supplementary Series', 1],
    ['B. A. N. Z. Antarctic Research Expedition, Reports Series B (Zoology and Botany)', 1],
    ['Japanese Journal of Zoology', 6],
    ['Journal of Parasitology', 6],
    ['Keigaku Publishing Company', 3],
    ['Oceanologia et Limnologia Sinica', 1],
    ['Pacific Science', 1],
    ['Papers and proceedings of the Royal Society of Tasmania', 1],
    ['Parazitologiya', 1],
    ['Publications of the Seto Marine Biological Laboratory', 3],
    ['Systematic Parasitology', 4],
    ['Other (12)', 12]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=46)',
    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);