function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Entomologica Musei Nationalis Pragae', 5],
    ['Annales zoologici', 6],
    ['Annals and Magazine of Natural History, Including Zoology, Botany and Geology, Being a Continuation of the \' Magazine of Botany ', 5],
    ['Biodiversity Data Journal', 16],
    ['Bulletin de la Société Impériale des Naturalistes de Moscou', 5],
    ['Bulletin of the National Museum of Nature and Science, Series A (Zoology)', 4],
    ['Colonial Museum and Geological Survey Department', 5],
    ['Insecta Mundi', 9],
    ['Insects of Guam I', 3],
    ['Species Diversity', 5],
    ['The Coleopterists Bulletin', 212],
    ['Transactions of the Entomological Society of London', 3],
    ['Wiener entomologische Zeitung', 3],
    ['ZooKeys', 4],
    ['Zootaxa', 339],
    ['Other (21)', 29]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=653)',
    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);