function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Dooley Iii, John W. & Lambrecht, Susan & Honda, Jeffrey', 1],
    ['Dubey, Anil Kumar', 1],
    ['Hernández-Suárez, Estrella & Martin, Jon H. & Gill, Raymond J.', 2],
    ['Hodges, G. S. & Dooley, J. W.', 1],
    ['Lee, Suhyeon & Suh, Soo-Jung', 2],
    ['Manzari, Shahab & Quicke, Donald L. J.', 1],
    ['Martin, Jon H.', 2],
    ['Martin, Jon H. & Camus, Josephine M.', 1],
    ['Martin, Jon H. & Lau, Clive S. K.', 1],
    ['Martin, Jon H. & Mound, Laurence A.', 1],
    ['Singh, Karem', 1],
    ['Suh, Soo-Jung & Ji, Jungyoun', 2],
    ['Wang, Ji-Rui & Du, Yu-Zhou & Xu, Zhi-Hong & Zhou, Guo-Xin', 4],
    ['Xian, Chunlan & Leong, Chi Man & Luo, Jiuyang & Jia, Fenglong', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=21)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);