function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['A. F. Rose', 7],
    ['Annals and Magazine of Natural History', 15],
    ['Annals and Magazine of Natural History, Including Zoology, Botany and Geology, Being a Continuation of the \' Magazine of Botany ', 19],
    ['Biodiversity Data Journal', 7],
    ['Bulletin of the Museum of Comparative Zoology at Harvard College', 9],
    ['Bulletin of the United States National Museum', 30],
    ['Cybium', 17],
    ['E. J. Brill', 10],
    ['European Journal of Taxonomy', 90],
    ['Laurentius Salvius', 16],
    ['Megataxa', 87],
    ['Proceedings of the California Academy of Sciences, Series 4', 33],
    ['Proceedings of the United States National Museum, 3', 50],
    ['Voprosy Ikhtiologii', 15],
    ['Zootaxa', 279],
    ['Other (130)', 256]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=940)',
    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);