function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Australasian Journal of Herpetology', 34],
    ['Boydii - Journal of the Herpetological Society of Queensland Incorporated', 6],
    ['Check List', 10],
    ['Crocodilian: Journal of the Victorian Association of Amateur Herpetologists Incorporated', 8],
    ['Geodiversitas', 10],
    ['Monitor: Journal of the Victorian Herpetological Society Incorporated', 7],
    ['Mémoires du Muséum national d\'Histoire naturelle', 5],
    ['Papéis Avulsos de Zoologia', 3],
    ['Raffles Bulletin of Zoology', 3],
    ['South American Journal of Herpetology', 35],
    ['Vertebrate Zoology', 7],
    ['ZooKeys', 17],
    ['Zoological Journal of the Linnean Society', 5],
    ['Zoosystema', 7],
    ['Zootaxa', 155],
    ['Other (16)', 24]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=336)',
    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);