function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 1],
    ['Angulo, Arturo', 1],
    ['Bariche, Michel & Fricke, Ronald', 2],
    ['Berry, F. H. & Whitehead, Peter J. P.', 1],
    ['Bleeker, Pieter', 2],
    ['Bogorodsky, Sergey V. & Alpermann, Tilman J. & Mal, Ahmad O.', 1],
    ['Bogorodsky, Sergey V. & Randall, John E. & Golani, Daniel', 1],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 2],
    ['Castro-Aguirre, J. L. & Ruiz-Campos, G. & Balart, E. F.', 1],
    ['Castro-Aguirre, J. L. & Vivero, J. M.', 1],
    ['Edwards, A. J. & Gill, A. C. & Abohweyere, P. O.', 2],
    ['Hata, Harutaka & Koeda, Keita', 2],
    ['Hata, Harutaka & Motomura, Hiroyuki', 5],
    ['Nurettin Meriç & Lütfiye Eryilmaz & Müfit Özulug', 2],
    ['Zainal Abidin, Danial Hariz & Lavoué, Sébastien', 2],
    ['Other (12)', 12]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=38)',
    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);