function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['An. Mus. Zool. Acad. Sci. Petrograd', 1],
    ['Bulletin Acad. Sci. URSS, Classe Sci. Math. Nat.', 1],
    ['Bulletin of the Museum of Comparative Zoology at Harvard College', 3],
    ['Bulletin of the United States Bureau of Fisheries', 1],
    ['Copeia', 2],
    ['Cybium', 4],
    ['Forhandlingar i Videnskabsselskabet i Kristiania', 3],
    ['Ichthyological Research', 2],
    ['Memoirs of the Faculty of Fisheries Hokkaido University', 4],
    ['Mémoires de l\'Académie des Sciences de St. Pétersbourg, 7', 2],
    ['Oversigt over det Kongelige Danske Videnskabernes Selskabs Forhandlinger', 2],
    ['Proceedings of the United States National Museum, 3', 4],
    ['Videnskabelige Meddelelser frå Dansk Naturhistorisk Forening', 2],
    ['Zoologischer Anzeiger', 4],
    ['Zootaxa', 26],
    ['Other (16)', 16]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=77)',
    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);