function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Biodiversity Data Journal', 222],
    ['Birkhaeuser Verlag', 10],
    ['Check List', 29],
    ['Gottl. August. Lange', 4],
    ['Laurentii Salvii', 5],
    ['Laurentius Salvius', 66],
    ['Nouveau dictionnaire d\'histoire naturelle [ed. 2]', 4],
    ['Papéis Avulsos de Zoologia', 25],
    ['Phytotaxa', 4],
    ['Records of the Australian Museum', 4],
    ['ZooKeys', 5],
    ['Zoological Journal of the Linnean Society', 8],
    ['Zoosystema', 65],
    ['Zoosystematics and Evolution', 6],
    ['Zootaxa', 63],
    ['Other (29)', 39]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=559)',
    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);