function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 7],
    ['Günther, Albert C. L. G.', 2],
    ['Günther, Albert Charles Lewis Gotthilf', 1],
    ['Laan, Richard Van Der & Eschmeyer, William N. & Fricke, Ronald', 1],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 2],
    ['Nielsen, Jørgen G.', 29],
    ['Nielsen, Jørgen G. & Eagle, R. J.', 1],
    ['Nielsen, Jørgen G. & Mincarone, Michael M. & Dario, Fabio Di', 1],
    ['Nielsen, Jørgen G. & Pogonoski, John J. & Appleyard, Sharon A.', 9],
    ['Nybelin, O.', 2],
    ['Shcherbachev, Yu. N.', 1],
    ['Vaillant, L. L.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=57)',
    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);