function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Biodiversity Data Journal', 10],
    ['Buletinul ºtiinþific al Muzeului Naþional de Etnografie ºi Istorie Naturalã a Moldovei', 1],
    ['Bulletin de la Societe Vaudoise des Sciences Naturelles', 1],
    ['Journal of Threatened Taxa', 9],
    ['Khumbu Himal', 1],
    ['Linzer biologische Beiträge', 2],
    ['Mededelingen Landbouwhogeschool Wageningen', 1],
    ['New Zealand Journal of Science', 1],
    ['Pakistan Journal of Nematology', 6],
    ['Zoologischen Anzeiger', 2],
    ['Zoologischer Anzeiger', 2],
    ['Zootaxa', 54]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=90)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerSource', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerSource'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerSource);