function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Zootaxonomica Sinica', 1],
    ['Bulletin des Travaux Publiés par la Station d’Aquiculture et de Pêche de Castiglione', 1],
    ['Bulletin du Muséum National d’Histoire Naturelle, Série 2', 1],
    ['European Journal of Taxonomy', 1],
    ['Journal of the Washington Academy of Sciences', 1],
    ['Mem. Mus. Bocage, Lisboa', 1],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 1],
    ['Records of the Australian Museum', 1],
    ['Schweizerbart', 1],
    ['Voprosy Ikhtiologii', 2],
    ['Zootaxa', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=16)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerSource', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerSource'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerSource);