function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['ACCADEMIA NAZIONALE DEI XL Estratto dai Rendiconti', 5],
    ['Animalia', 1],
    ['Annales historico-naturales Musei nationalis hungarici', 16],
    ['Annals and Magazine of Natural History', 9],
    ['Biodiversity Data Journal', 85],
    ['Buletinul ºtiinþific al Muzeului Naþional de Etnografie ºi Istorie Naturalã a Moldovei', 3],
    ['European Journal of Taxonomy', 1],
    ['Khumbu Himal', 1],
    ['Linzer biologische Beiträge', 3],
    ['Mededelingen Landbouwhogeschool Wageningen', 18],
    ['Pakistan Journal of Nematology', 14],
    ['Transactions of the American Microscopical Society', 4],
    ['Zoologischen Anzeiger', 8],
    ['Zoologischer Anzeiger', 9],
    ['Zootaxa', 63]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=240)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerSource', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerSource'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerSource);