function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Haliday, Alexander Henry', 1],
    ['Magoga, Giulia & Montagna, Matteo & Marziali, Laura', 1],
    ['Michailova, Paraskeva', 1],
    ['Michalova, Paraskeva & Lencioni, Valeria & Nenov, Momchil', 1],
    ['Moubayed, Joel & Michailova, Paraskeva & Langton, Peter H.', 1],
    ['Moubayed-Breil, Joel & Dominici, Jean-Marie', 1],
    ['Moubayed-Breil, Joel & Michailova, P.', 1],
    ['Saether, Ole A. & Andersen, Trond', 1],
    ['Sinclair, Bradley J.', 1],
    ['Tasdemir, Ayse & Akyildiz, Gurcay Kivanc', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=10)',
    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);