function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Biodiversity Data Journal', 3],
    ['Elytra, Tokyo', 4],
    ['Entomologica basiliensia', 11],
    ['Entomologische Berichten', 7],
    ['Folia Entomologica Hungarica', 15],
    ['Genus', 9],
    ['Hokuryukan', 8],
    ['Japanese Journal of Systematic Entomology', 17],
    ['Japanese Journal of systematic Entomology, Monographic series', 16],
    ['Linzer biologische Beiträge', 6],
    ['Mélanges exotico-entomologiques. Moulins', 39],
    ['Reichenbachia', 12],
    ['Transactions of the Entomological Society of London', 5],
    ['Transactions of the Shikoku Entomological Society', 7],
    ['Zootaxa', 8],
    ['Other (13)', 18]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=185)',
    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);