function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['African Invertebrates', 122],
    ['African invertebrates', 26],
    ['Amurian Zoological Journal', 10],
    ['Arthropod Systematics & amp; Phylogeny', 13],
    ['Beiträge Zur Entomologie = Contributions to Entomology', 11],
    ['European Journal of Taxonomy', 56],
    ['Japanese Journal of Systematic Entomology', 218],
    ['Journal of Insect Science', 20],
    ['Journal of Natural History', 100],
    ['Linzer biologische Beiträge', 43],
    ['Mémoires Présentés par Divers Savans à l\'Académie Royale des Sciences de l\'Institut de France, et Imprimés par son Ordre', 23],
    ['Proceedings of the Hawaiian Entomological Society', 15],
    ['ZooKeys', 119],
    ['Zoosystema', 83],
    ['Zootaxa', 2254],
    ['Other (22)', 69]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=3182)',
    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);