function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 11],
    ['Biodiversity Data Journal', 8],
    ['Deutsche Entomologische Zeitschrift', 15],
    ['Far Eastern Entomologist', 21],
    ['Fragmenta entomologica', 3],
    ['Insecta Mundi', 30],
    ['Journal of Natural History', 95],
    ['Journal of Orthoptera Research', 47],
    ['Revue suisse de Zoologie', 56],
    ['Umwelt-Vollzug', 9],
    ['Vestnik Zoologii', 5],
    ['ZooKeys', 34],
    ['Zoosystema', 86],
    ['Zoosystematica Rossica', 10],
    ['Zootaxa', 957],
    ['Other (10)', 13]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=1400)',
    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);