function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['American Museum Novitates', 28],
    ['Annalen des Naturhistorischen Museums in Wien', 5],
    ['Annals and Magazine of Natural History, Including Zoology, Botany and Geology, Being a Continuation of the \' Magazine of Botany ', 5],
    ['Bulletin of the Illinois Natural History Survey', 6],
    ['Canadian Entomologist', 7],
    ['Journal of Arachnology', 9],
    ['Journal of Natural History', 6],
    ['Journal of the New York Entomological Society', 8],
    ['Memoirs of Museum Victoria', 7],
    ['Revue suisse de Zoologie', 21],
    ['Revue suisse de zoologie', 12],
    ['Természetrajzi Füzetek', 11],
    ['Zoologischer Anzeiger', 17],
    ['Zootaxa', 145],
    ['Österreichische Zoologische Zeitschrift', 6],
    ['Other (68)', 124]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=417)',
    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);