function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Abe, Tokiharu', 1],
    ['Blache, J. & Rossignol, M.', 1],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 5],
    ['Cohen, Daniel M.', 1],
    ['Jordan, David Starr & Thompson, W. F.', 1],
    ['Kawaguchi, K. & Butler, J. L.', 3],
    ['Kobyliansky, S. H.', 1],
    ['Lavenberg, R. J.', 1],
    ['Lloris, D. & Rucabado, J. A.', 1],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 3],
    ['Poulsen, Jan Yde', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=19)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);