function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Zootaxonomica Sinica', 4],
    ['Anales de la Universidad de Chile, Memorias Cientificas y Literarias', 8],
    ['Bulletin of the American Museum of Natural History', 7],
    ['Bulletin of the Museum of Comparative Zoology at Harvard College, 3', 6],
    ['Copeia', 6],
    ['Cybium', 9],
    ['European Journal of Taxonomy', 28],
    ['International Journal of Research Studies in Zoology', 4],
    ['Laurentius Salvius', 15],
    ['Proceedings of the United States National Museum, 3', 4],
    ['Proceedings of the Zoological Society of London, B', 4],
    ['Schmerber', 5],
    ['Zoosystema', 4],
    ['Zoosystematics and Evolution', 6],
    ['Zootaxa', 230],
    ['Other (69)', 95]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=435)',
    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);