function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annale van die Suid-Afrikaanse Museum [Annals of the South African Museum]', 1],
    ['Annals and Magazine of Natural History, Including Zoology, Botany and Geology, Being a Continuation of the \' Magazine of Botany ', 2],
    ['Annals of the Natal Museum', 1],
    ['Bulletin of the Biology Department, Science College, Sun Yatsen University', 2],
    ['Bulletin of the Museum of Comparative Zoology at Harvard College, 3', 2],
    ['Journal of Fisheries of China.', 1],
    ['Mem. Inst. Rech. Sci. Madagascar, F', 1],
    ['Nederlandsch Tijdschrift voor de Dierkunde', 1],
    ['Proceedings of the American Philosophical Society', 1],
    ['Proceedings of the Linnean Society of New South Wales', 2],
    ['Proceedings of the United States National Museum, 3', 4],
    ['Raffles Bulletin of Zoology', 1],
    ['Repertorio Fisico-Natural de la Isla de Cuba', 2],
    ['Transactions of the American Philosophical Society', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=22)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerSource', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerSource'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerSource);