function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Societatis Regiae Scientiarum Indo-Neêrlandicae', 3],
    ['Aqua, Journal of Ichthyology and Aquatic Biology', 5],
    ['Copeia', 4],
    ['Denkschriften der Kaiserlichen Akademie der Wissenschaften, Wien', 3],
    ['European Journal of Taxonomy', 3],
    ['Natuurkunde Tijdschrift voor Nederlandsche-Indië', 18],
    ['Notes from the Leyden Museum', 3],
    ['Nouvelles Archives du Muséum d\'histoire Naturelle', 6],
    ['Pacific Science', 3],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 5],
    ['Proceedings of the Biological Society of Washington', 6],
    ['Proceedings of the United States National Museum, 3', 5],
    ['Raffles Bulletin of Zoology', 4],
    ['Revue française d\'Aquariologie Herpétologie', 5],
    ['Zootaxa', 63],
    ['Other (48)', 64]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=200)',
    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);