function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Palaeontologica Polonica', 4],
    ['American Museum Novitates', 2],
    ['Annali del Museo Civico di Storia Naturale \' Giacomo Doria\'', 1],
    ['Ber Verh K Preuss Akad Berl', 1],
    ['Biodiversity Data Journal', 8],
    ['Bulletin of the Museum of Comparative Zoology at Harvard College.', 1],
    ['Caucasian Entomological Bulletin', 2],
    ['Deutsche Entomologische Zeitschrift', 1],
    ['Entomologische Zeitung', 1],
    ['Journal and Proceedings of the Linnean Society of London, Zoology', 4],
    ['Laurentii Salvii', 2],
    ['Palaeoentomology', 2],
    ['ZooKeys', 6],
    ['Zoosystema', 9],
    ['Zootaxa', 45],
    ['Other (8)', 8]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=97)',
    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);