function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Academii Nauk', 1],
    ['Acta Hydrobiologica Sinica', 1],
    ['Acta Zoologica Sinica', 3],
    ['Egyptian University, Faculty of Medicine, Publication No. 12', 5],
    ['Indian Journal of Helminthology', 3],
    ['Izvestiya Tikhookeanskoi Nauchno-Promyslovi Ostantsii', 2],
    ['Japanese Journal of Zoology', 4],
    ['Journal of the Fujian Teacher\'s University, Natural Science', 2],
    ['Parasitology', 2],
    ['Parazity Zhivotnykh i Rastenii', 2],
    ['Proceedings of the National Academy of Sciences, India, Section B, Biological Sciences', 5],
    ['Rivista di Parassitologia', 3],
    ['Science Press', 2],
    ['Transactions of the American Microscopical Society', 3],
    ['Zoological Society of India', 2],
    ['Other (22)', 22]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=62)',
    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);