function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bariche, Michel & Fricke, Ronald', 1],
    ['Bonaparte, Charles Lucien', 1],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 1],
    ['Cocco, A.', 1],
    ['Doutre, M. P.', 1],
    ['Golani, Daniel', 1],
    ['González-Lorenzo, J. Gustavo & Triay-Portella, Raül', 2],
    ['Lin, Chien-Hsiang & Brzobohaty, R. & Nolf, D. & Girone, Angela', 1],
    ['Lin, Chien-Hsiang & Brzobohatý, Rostislav & Nolf, Dirk', 1],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 1],
    ['Matallanas, J. & Lloris, D.', 1],
    ['Melo, Marcelo R. S. & Braga, Adriana C. & Nunan, Gustavo W. A.', 1],
    ['Nurettin Meriç & Lütfiye Eryilmaz & Müfit Özulug', 1],
    ['Rafinesque, Constantine Samuel', 1],
    ['Simian, Gaëlle & Abraham, Daniel & Bailly, Nicolas', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=17)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);