function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Parasitologica', 14],
    ['Acta Zootaxonomica Sinica', 3],
    ['Agricultural Publishing House', 6],
    ['Anales del Instituto de Biologia Universidad de Mexico', 4],
    ['Indian Journal of Helminthology', 5],
    ['International Journal for Parasitology', 12],
    ['Japanese Journal of Zoology', 3],
    ['Journal of Parasitology', 18],
    ['Keigaku Publishing Company', 7],
    ['Parazitologiya', 4],
    ['Revue suisse de Zoologie', 9],
    ['Sind University Research Journal (Sci Ser)', 6],
    ['Systematic Parasitology', 6],
    ['ZooKeys', 4],
    ['Zootaxa', 16],
    ['Other (63)', 93]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=210)',
    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);