function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Biodiversity Data Journal', 14],
    ['Candollea', 2],
    ['Far Eastern Entomologist', 3],
    ['Fauna of New Zealand', 31],
    ['Halteres', 3],
    ['Japanese Journal of Systematic Entomology', 4],
    ['Journal of Natural History', 18],
    ['Linzer biologische Beiträge', 17],
    ['Mémoires Présentés par Divers Savans à l\'Académie Royale des Sciences de l\'Institut de France, et Imprimés par son Ordre', 47],
    ['Phytotaxa', 33],
    ['Records of the Australian Museum', 32],
    ['Species Diversity', 3],
    ['ZooKeys', 64],
    ['Zoosystema', 15],
    ['Zootaxa', 443],
    ['Other (23)', 29]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=758)',
    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);