function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Parasitologica Polonica', 4],
    ['Acta Zootaxonomica Sinica', 2],
    ['Allan Hancock Pacific Expeditions', 1],
    ['Annotationes Zoologicae Japonenses', 3],
    ['Annual Bulletin of the Society of Parasitology Guangdong Province', 1],
    ['Archiwum Towarzystwa Naukowego we Lwowie', 1],
    ['Barnéoud-Laval', 1],
    ['Dobutsugaku Zasshi', 3],
    ['Japanese Journal of Zoology', 3],
    ['Keijo Journal of Medicine', 2],
    ['Kwahak Wontongbo', 2],
    ['Pacific Science', 3],
    ['Parasitology', 2],
    ['Rivista di Parassitologia', 3],
    ['Zoologischer Anzeiger', 2],
    ['Other (13)', 13]
  ]);
  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);