function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Biodiversity Data Journal', 12],
    ['Birkhaeuser Verlag', 9],
    ['Bulletin of the American Museum of Natural History', 11],
    ['Far Eastern Entomologist', 34],
    ['Fossil Imprint', 8],
    ['Geodiversitas', 19],
    ['Journal Of Crustacean Biology', 7],
    ['Journal of Natural History', 18],
    ['Journal of the Ceylon Branch of the Royal Asiatic Society', 7],
    ['Laurentius Salvius', 15],
    ['Order out of Chaos. Linnaean Plant Types and their Types', 17],
    ['Phytotaxa', 11],
    ['ZooKeys', 24],
    ['Zoological Journal of the Linnean Society', 73],
    ['Zootaxa', 264],
    ['Other (47)', 102]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=631)',
    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);