function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Animal Biodiversity and Conservation', 2],
    ['Annals of the Carnegie Museum', 1],
    ['Bollettino del Museo Regionale di Scienze Naturali di Torino', 2],
    ['Bulletin of the Museum of Comparative Zoology at Harvard College, 3', 4],
    ['Caldasia', 1],
    ['Dahlia -- Rev. Asoc. Colomb. Ictiol.', 3],
    ['Ind. Univ. Studies', 14],
    ['Memoirs of the Museum of Comparative Zoology, at Harvard College', 2],
    ['Memoria de la Fundación La Salle de Ciencias Naturales', 2],
    ['Neotropical Ichthyology', 11],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 6],
    ['Publications of the Field Museum of Natural History, Zoölogical', 2],
    ['Revista de Biologia Tropical', 2],
    ['Revue suisse de zoologie', 2],
    ['Zootaxa', 4],
    ['Other (10)', 10]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=68)',
    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);