function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 1],
    ['Fernholm, Bo', 1],
    ['Girard, Charles Frédéric', 1],
    ['Goode, G. B. & Bean, T. H.', 1],
    ['Ho, Hsuan-Ching & Shao, Kwang-Tsao', 2],
    ['Jordan, David Starr & Snyder, John Otterbein', 1],
    ['Linnaeus, Carolus', 2],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 2],
    ['Mincarone, M. M.', 1],
    ['Mincarone, M. M. & Plachetzki, D. & McCORD, C. L.', 3],
    ['Møller, Peter D. Rask & Feld, T. K. & Poulsen, I. H.', 1],
    ['Richardson, Linda R. & Jowett, J. P.', 1],
    ['Simian, Gaëlle & Abraham, Daniel & Bailly, Nicolas', 1],
    ['Wisner, R. L. & McMillan, C. B.', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=25)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);