function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['A. Palomino-Alvarez, Lilian & Moreira Rocha, Rosana', 2],
    ['Atsumi, Masako O. & Saito, Yasunori', 1],
    ['Bay-Nouailhat, Anne & Bay-Nouailhat, Wilfried & Gasparini, Fabio', 1],
    ['Brunetti, R. & Mastrototaro, F.', 1],
    ['Brunetti, Riccardo', 3],
    ['Herdman, William Abbott', 4],
    ['KOTT, PATRICIA', 2],
    ['Kott, Patricia', 1],
    ['Lambert, Gretchen', 1],
    ['Lambert, Gretchen & Lee, Serina Siew-Chen & Teo, Serena Lay-Ming', 1],
    ['Monniot, Françoise', 2],
    ['Page, M. J. & Willis, T. J. & Handley, S. J.', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=21)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);