function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Askew, Richard R. & Melika, George & Pujade-Villar, Juli', 6],
    ['Brèthes, Jean', 3],
    ['Dale-Skey, Natalie & Askew, Richard R. & Noyes, John S.', 82],
    ['Delvare, G. & Escolà, A. Ribes & Stojanova, A. M. & Benoit, L.', 6],
    ['Delvare, Gérard & Gebiola, Marco & Zeiri, Asma & Garonna, A. P.', 23],
    ['Gates, Michael W.', 2],
    ['Gómez, José Francisco & Nieves-Aldrey, José Luis', 14],
    ['Liu, Huihui & Cao, Liangming & Wang, Xiaoyi & Xin, Xuebing', 2],
    ['Lotfalizadeh, Hosseinali & Delvare, Gérard & Rasplus, Jean-Yves', 8],
    ['Madl, Michael', 10],
    ['Pérez-Benavides, A. Lucía & Hernández-Baz, Fernando', 10],
    ['Stojanova, A. & Ghahari, H.', 17],
    ['Walker, Francis', 20],
    ['Zerova, M. D. & Klymenko, S. I.', 2],
    ['Zhang, Y. Miles & Gates, Michael W. & Shorthouse, Joseph D.', 6],
    ['Other (18)', 18]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=229)',
    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);