function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['A catalogue and key to the centipedes (Chilopoda) of Bulgaria', 7],
    ['Arthropoda Selecta', 3],
    ['BEAUFORTIA SERIES OF MISCELLANEOUS PUBLICATIONS', 7],
    ['BIOGEOGRAPHIA-Lav. Soc. ital. Biogeoqr. N. S.', 6],
    ['Biodiversity Data Journal', 4],
    ['Biogeographia', 2],
    ['Bulletin of the British Museum (Natural History), Zoology', 5],
    ['Fragmenta Entomologica', 2],
    ['Fragmenta entomologica', 2],
    ['Historia naturalis bulgarica', 3],
    ['Istanbul Universitesi Orman Fakültesi Dergisi', 11],
    ['Travaoux du Muséum National d\'Histoire Naturelle " Grigore Antipa "', 5],
    ['Verhandlungen der Zoologisch-Botanischen Gesellschaft in Wien', 3],
    ['ZooKeys', 6],
    ['Zootaxa', 7],
    ['Other (24)', 27]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=100)',
    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);