function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Anales de la Escuela Nacional de Ciencias Biologicas', 1],
    ['Annale van die Suid-Afrikaanse Museum [Annals of the South African Museum]', 2],
    ['Archiv für Naturgeschichte', 2],
    ['Arquivos do Universidade Lisboa', 1],
    ['Bulletin de l\'Institut Océanographique de Monaco', 1],
    ['California Fish and Game', 1],
    ['Cybium', 1],
    ['European Journal of Taxonomy', 9],
    ['F. Schoell', 1],
    ['Giornale di Fisica, Chimica e Storia Naturale, Medicina ed Arti, Pavia, ed Arti Pavia', 1],
    ['K. Danske Vidensk. Selsk. Naturvid. Math. Afhandl.', 1],
    ['Kongelige Danske Videnskabernes Selskab Skrifter (Nya Samlinger)', 1],
    ['Memorie della Accademia delle Scienze di Torino, Classe die Scienze Fisiche, Matematuche e Naturali Torino., Serie 2', 1],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 1],
    ['Zootaxa', 46],
    ['Other (6)', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=76)',
    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);