function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alcock, Alfred William', 1],
    ['Brüss, R.', 1],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 1],
    ['Gilbert, Charles H.', 2],
    ['Gilchrist, J. D. F.', 1],
    ['González, José A. & Triay-Portella, Raül & Biscoito, Manuel', 1],
    ['Hildebrand, S. F. & Barton, O.', 1],
    ['Hilgendorf, F. M.', 1],
    ['Idrees Babu, K. K. & Ho, Hsaun-Ching & Mariyambi, P. C.', 2],
    ['Kamohara, T.', 2],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 3],
    ['Parin, Nik V.', 3],
    ['Paulin, Chris D.', 3],
    ['Pires, Alessandra M. A. & Carvalho-Filho, Alfredo', 5],
    ['Shcherbachev, Yu. N.', 2],
    ['Other (7)', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=36)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);