function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annals of the Carnegie Museum', 11],
    ['Aquarien und Terrarien Zeitschrift', 2],
    ['Bulletin of the Museum of Comparative Zoology at Harvard College, 3', 4],
    ['Check List', 2],
    ['Copeia', 3],
    ['Fish Culturist', 3],
    ['Ind. Univ. Studies', 3],
    ['Memoirs of the Museum of Comparative Zoology, at Harvard College', 2],
    ['Neotropical Ichthyology', 5],
    ['Noved. Cient. Mus. Hist. Nat. La Salle, Zool.', 2],
    ['Proceedings of the Biological Society of Washington', 3],
    ['Revue suisse de zoologie', 2],
    ['Tropical Fish Hobbyist', 6],
    ['Zoologische Abhandlungen des Staatlichen Museums für Tierkunde, Dresden', 2],
    ['Zootaxa', 19],
    ['Other (14)', 15]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=84)',
    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);