function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Amphibian & Reptile Conservation', 24],
    ['Australasian Journal of Herpetology', 9],
    ['Check List', 14],
    ['European Journal of Taxonomy', 14],
    ['Herpetozoa', 12],
    ['Journal of Natural History', 12],
    ['PeerJ', 8],
    ['Proceedings of the California Academy of Sciences', 12],
    ['Raffles Bulletin of Zoology', 16],
    ['Records of the Western Australian Museum', 10],
    ['Vertebrate Zoology', 44],
    ['ZooKeys', 51],
    ['Zoosystema', 27],
    ['Zoosystematics and Evolution', 19],
    ['Zootaxa', 875],
    ['Other (26)', 67]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=1214)',
    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);