function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Balan, Anoop Puthuparampil & Predeep, Sreevilas Vasudevan', 12],
    ['Bankov, Nikola & Todorov, Milcho & Ganeva, Anna', 4],
    ['Bergh, Eugene W. & Compton, John S.', 28],
    ['Brady, H. B.', 51],
    ['Gedik, Fatma', 5],
    ['Gedik, Fatma & Karadenizli, Levent', 4],
    ['Ismail, Ahmed A.', 19],
    ['Mamo, Briony L.', 37],
    ['Margerel, Jean-Pierre', 6],
    ['Ovechkina, Maria N. & Bylinskaya, Marina E. & Uken, Ron', 24],
    ['Poole, Christopher R. & Wade, Bridget S.', 8],
    ['Schönfeld, Joachim & Lübbers, Julia', 27],
    ['Symphonia, Tabita K. & Senthil, Nathan D.', 149],
    ['Toefy, R. & Gibbons, M. J. & McMillan, I. K.', 24],
    ['Torres-Silva, Ana. I. & Eder, Wolfgang & Hohenegger, Johann', 12],
    ['Other (27)', 45]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=455)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);