function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Abul-Sood, Medhat I. & Gadallah, Neveen S.', 20],
    ['Abul-Sood, Medhat I. & Gadallah, Neveen S. & Hossni, Mohammed T.', 8],
    ['Binoy, C. & Santhosh, S. & Nasser, M.', 10],
    ['Brotto, Thales Renan De Aguiar & Tavares, Marcelo Teixeira', 7],
    ['Dale-Skey, Natalie & Askew, Richard R. & Noyes, John S.', 34],
    ['Delvare, Gérard & Copeland, Robert S. & Tanga, Chrysantus M.', 12],
    ['Falahatpisheh, Ali & Fallahzadeh, Majid & Dousti, Abu Fazel', 34],
    ['Gawas, Sandesh M. & Gupta, Ankita', 37],
    ['Gowri, Prakash & Manickavasagam, Sagadai & Kanagarajan, Rasappan', 40],
    ['Madl, Michael', 38],
    ['Madl, Michael & F, Chalcis & S, Conura & S, Haltichella', 25],
    ['Narendran, T. C. & van Achterberg, Cornelis', 85],
    ['Notton, David G.', 22],
    ['Saguiah, Pâmella Machado & Molin, Ana Dal', 10],
    ['Walker, Francis', 80],
    ['Other (41)', 96]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=558)',
    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);