function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bolotov, Ivan N. & Kondakov, Alexander V. & Spitsyn, Vitaly M.', 1],
    ['Choi, Sei-Woong & Heo, Un-Hong & Kim, Sung-Soo', 1],
    ['Hampson, George F.', 1],
    ['Laguerre, Michel', 6],
    ['Mbata, Keith J. & Prins, Jurate De', 1],
    ['Roque-Albelo, Lazaro & Landry, Bernard', 5],
    ['Singh, Navneet & Joshi, Rahul & Kirti, Jagbir Singh', 10],
    ['Swezey, O. H.', 1],
    ['Weidlich, Michael', 1],
    ['Xian, Chunlan & Leong, Chi Man & Luo, Jiuyang & Jia, Fenglong', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=28)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);