function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Palaeontologica Romaniae', 99],
    ['Acta Protozoologica', 82],
    ['Biodiversity Data Journal', 175],
    ['Botanica Marina', 78],
    ['Cryptogamie, Algologie', 89],
    ['European Journal of Taxonomy', 76],
    ['Geodiversitas', 888],
    ['Insecta Mundi', 231],
    ['Jenaische Zeitschrift für Naturwissenschaft herausgegeben von der medizinisch-naturwissenschaftlichen Gesellschaft zu Jena, Funf', 225],
    ['Journal of Natural History', 122],
    ['Palaeontologia Electronica', 322],
    ['Phytotaxa', 729],
    ['Quarterly journal of microscopical science, n. s.', 120],
    ['Revue de Paléobiologie', 89],
    ['Zootaxa', 1167],
    ['Other (93)', 730]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=5222)',
    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);