function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annales historico-naturales Musei nationalis hungarici', 71],
    ['Biodiversity Data Journal', 239],
    ['Buletinul ºtiinþific al Muzeului Naþional de Etnografie ºi Istorie Naturalã a Moldovei', 25],
    ['Folia Parasitologica', 35],
    ['Journal of Natural History', 33],
    ['Linzer biologische Beiträge', 16],
    ['Mededelingen Landbouwhogeschool Wageningen', 29],
    ['Pakistan Journal of Nematology', 113],
    ['Public Library of Science, ONE', 15],
    ['Soil Organisms', 23],
    ['ZooKeys', 117],
    ['Zoologischen Anzeiger', 33],
    ['Zoologischer Anzeiger', 44],
    ['Zoosystema', 19],
    ['Zootaxa', 655],
    ['Other (44)', 176]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=1643)',
    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);