function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Biodiversity Data Journal', 2],
    ['Conilon coffee - The Coffea canephora produced in Brazil', 1],
    ['Entomologisk Tidskrift', 1],
    ['Far Eastern Entomologist', 1],
    ['Historia fisica y politica de Chile', 1],
    ['Insecta Mundi', 1],
    ['J. G. Trassler', 1],
    ['J. Hübner', 2],
    ['Linzer biologische Beiträge', 2],
    ['List of the Specimens of Lepidopterous Insects in the Collection of the British Museum', 11],
    ['Public Library of Science, ONE', 2],
    ['William Smith', 2],
    ['ZooKeys', 6],
    ['Zoosystema', 199],
    ['Zootaxa', 155],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=390)',
    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);