function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Brady, George Stewardson', 1],
    ['Dana, James Dwight', 1],
    ['El-Sherbiny, Mohsen M. & Al-Aidaroos, Ali M.', 1],
    ['Lee, Seunghan & Soh, Ho Young & Lee, Wonchoel', 1],
    ['Mead, A. & Carlton, J. T. & Griffiths, C. L. & Rius, M.', 1],
    ['Pugh, P. J. A. & Dartnall, H. J. G. & McInnes, S. J.', 2],
    ['Sakaguchi, Sakiko Orui & Ueda, Hiroshi', 1],
    ['Srinui, Khwanruan & Ohtsuka, Susumu', 3],
    ['Srinui, Khwanruan & Ohtsuka, Susumu & Metillo, Ephrime B.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=12)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 9, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);