function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Biologica Universitatis Daugavpiliensis', 10],
    ['Acta Entomologica Musei Nationalis Pragae', 126],
    ['Amurian Zoological Journal', 7],
    ['Archiv für Naturgeschichte, Abteilung A', 9],
    ['Biodiversity Data Journal', 21],
    ['Bulletin de la Société Impériale des Naturalistes de Moscou', 9],
    ['Insecta Mundi', 35],
    ['Japanese Journal of Systematic Entomology', 8],
    ['Russian entomological journal', 8],
    ['The Coleopterists Bulletin', 37],
    ['The Scientific Transactions of the Royal Dublin Society, Series 2', 12],
    ['Transactions of the Entomological Society of London', 17],
    ['ZooKeys', 54],
    ['Zoological Systematics', 66],
    ['Zootaxa', 349],
    ['Other (23)', 42]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=810)',
    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);