function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['American Museum Novitates', 8],
    ['Anzeiger', 4],
    ['Aqua, Journal of Ichthyology and Aquatic Biology', 7],
    ['Australian zoologist', 4],
    ['Bol. Inst. Oceanogr. S. Paulo', 6],
    ['European Journal of Taxonomy', 6],
    ['Ichthyological Exploration of Freshwaters', 9],
    ['Memoirs of the Queensland Museum', 5],
    ['Philippine Journal of Science, Section D', 5],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 9],
    ['Proceedings of the United States National Museum, 3', 15],
    ['Raffles Bulletin of Zoology', 8],
    ['Records of the Western Australian Museum', 9],
    ['Revue française d\'Aquariologie Herpétologie', 12],
    ['Zootaxa', 136],
    ['Other (64)', 112]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=355)',
    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);