function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annalen des Naturhistorischen Museums in Wien', 2],
    ['Annales Historico-Naturales Musei Nationalis Hungarici', 3],
    ['Annals and Magazine of Natural History, Including Zoology, Botany and Geology, Being a Continuation of the \' Magazine of Botany ', 6],
    ['Annals of the Natal Museum', 4],
    ['Annals of the Transvaal Museum', 2],
    ['Australian Journal of Zoology, Supplementary Series', 15],
    ['Bauer und Raspe', 2],
    ['Canadian Entomologist', 3],
    ['Cimbebasia', 3],
    ['Fauna of Arabia', 2],
    ['Journal of the New York Entomological Society', 2],
    ['Mitteilungen aus dem Naturhistorischen Museum in Hamburg', 3],
    ['Pacific Insects', 2],
    ['Records of the Western Australian Museum', 4],
    ['Zootaxa', 8],
    ['Other (25)', 27]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=88)',
    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);