function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Akademiia Nauk SSSR, Trudy P. P. Shirshov Instytut Okeanologii', 6],
    ['American Museum Novitates', 7],
    ['Archiv für Fischereiwissenschaft', 2],
    ['Bulletin of the Bingham Oceanographic Collection Yale University', 1],
    ['Bulletin of the Scripps Institution of Oceanography of the University of California', 2],
    ['Bulletin of the Southern California Academy of Sciences', 1],
    ['Contributions in Science of the Natural History Museum of Los Angeles County', 1],
    ['Copeia', 2],
    ['Dana Reports', 2],
    ['European Journal of Taxonomy', 14],
    ['Journal of Ichthyology', 1],
    ['Memoirs of the Indian Museum', 1],
    ['Zootaxa', 11]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=51)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerSource', 'pie', 13, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerSource'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerSource);