function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Deblock, S.', 1],
    ['Dronen, Norman O. & Blend, Charles K. & Gardner, Scott L.', 1],
    ['Gu, C. - d. & Qiu, Z. - z. & Li, M. - m. & Zhu, Hua', 1],
    ['Nazmi, M.', 1],
    ['Oshmarin, P. G.', 1],
    ['Sakla, A. A.', 1],
    ['Tang, Zhung-Zhang & Tang, Chong-ti', 1],
    ['Witenberg, G.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=8)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 8, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);