function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annales du Muséum d\'Histoire Naturelle, Paris', 1],
    ['Bulletin of the American Museum of Natural History', 6],
    ['Bulletin of the Museum of Comparative Zoology at Harvard College', 3],
    ['Check List', 9],
    ['F. S. Hu ̈ bschmanni', 1],
    ['Geodiversitas', 1],
    ['Handbook of the Mammals of the World – Volume 3 Primates', 26],
    ['Laurentius Salvius', 23],
    ['Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1', 45],
    ['Mammalian Species', 1],
    ['Plassan', 1],
    ['Proceedings of the Zoological Society of London', 5],
    ['Public Library of Science, ONE', 1],
    ['Weygand', 3],
    ['Zootaxa', 5],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=132)',
    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);