function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acarologia', 19],
    ['African Invertebrates', 1],
    ['Biodiversity Data Journal', 1],
    ['Deutschlands Crustaceen, Arachniden und Myriopoden', 7],
    ['Ecologica Montenegrina', 1],
    ['Far Eastern Entomologist', 1],
    ['Fragmenta Faunistica', 1],
    ['Hornmilben (Oribatida) [Dahl, Tierwelt Deutschlands, Teil 76]', 47],
    ['Linzer biologische Beiträge', 3],
    ['Persian Journal of Acarology', 16],
    ['Senckenbergiana biologica', 5],
    ['Veröffentlichungen des Instituts für Meeresforschung Bremerhaven', 4],
    ['ZooKeys', 4],
    ['Zootaxa', 161],
    ['carolinea', 4],
    ['Other (4)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=279)',
    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);