function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 1],
    ['Bariche, Michel & Fricke, Ronald', 1],
    ['Bogorodsky, Sergey V. & Alpermann, Tilman J. & Mal, Ahmad O.', 1],
    ['Ceríaco, Luis M. P. & Santos, Bruna S. & Semedo, Thiago B. F.', 1],
    ['Collette, Bruce B. & Russo, J. L.', 1],
    ['Ebersole, Jun A. & Cicimurri, David J. & Stringer, Gary L.', 3],
    ['Edwards, A. J. & Gill, A. C. & Abohweyere, P. O.', 1],
    ['Fourmanoir, Pierre', 1],
    ['Fowler, Henry Weed', 1],
    ['Jordan, David Starr', 1],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 2],
    ['Nurettin Meriç & Lütfiye Eryilmaz & Müfit Özulug', 1],
    ['Whitley, Gilbert P.', 1],
    ['Zarco Perello, Salvador & Moreno Mendoza, Rigoberto', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=18)',
    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);