function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 109],
    ['Annales de la Société Entomologique de France, Séries 1 - 6', 1],
    ['Annals and Magazine of Natural History, Including Zoology, Botany and Geology, Being a Continuation of the \' Magazine of Botany ', 1],
    ['Biodiversity Data Journal', 133],
    ['Check List', 25],
    ['Insecta Mundi', 27],
    ['Insects of Guam II', 3],
    ['Journal of Natural History', 27],
    ['Linzer biologische Beiträge', 108],
    ['Papéis Avulsos de Zoologia', 33],
    ['Raffles Bulletin of Zoology', 28],
    ['Tijdschrift voor Entomologie', 97],
    ['ZooKeys', 4],
    ['Zoosystema', 2],
    ['Zootaxa', 611],
    ['Other (4)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=1213)',
    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);