function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 20],
    ['Annals and Magazine of Natural History, Including Zoology, Botany and Geology, Being a Continuation of the \' Magazine of Botany ', 3],
    ['Annotationes Zoologicae Japonenses', 4],
    ['Deutsche Entomologische Zeitschrift', 22],
    ['E. J. Brill', 8],
    ['Eberhard Klett et Franck', 3],
    ['European Journal of Taxonomy', 18],
    ['Folia Parasitologica', 12],
    ['Henry G. Bohn', 7],
    ['Ioannis Thomae Trattner', 8],
    ['Journal of Natural History', 10],
    ['Journal of Parasitology', 3],
    ['Laurentius Salvius', 40],
    ['Occasional Papers of the California Academy of Sciences', 3],
    ['Zootaxa', 1367],
    ['Other (41)', 54]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=1582)',
    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);