function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['American Museum Novitates', 1],
    ['Annales du Muséum d\'Histoire Naturelle, Paris', 1],
    ['Asiatic Researches', 11],
    ['Ballière', 1],
    ['Biodiversity Data Journal', 27],
    ['British Museum', 1],
    ['C. A. B. International', 1],
    ['Insect Systematics and Diversity', 1],
    ['Journal and Proceedings of the Asiatic Society of Bengal', 1],
    ['Journal of Hymenoptera Research', 22],
    ['Journal of Natural History', 4],
    ['Linzer biologische Beiträge', 6],
    ['Madras Journal of Literature and Science', 4],
    ['Transactions of the Entomological Society of London', 2],
    ['Zootaxa', 16],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=100)',
    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);