function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 1],
    ['Bariche, Michel & Fricke, Ronald', 1],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 1],
    ['Castro-Aguirre, J. L. & Garcia-Domínguez, F.', 1],
    ['Deraniyagala, P. E. P.', 1],
    ['Fourmanoir, Pierre & Rivaton, I.', 1],
    ['Fowler, Henry Weed', 3],
    ['Fricke, Ronald & Kawai, Toshio & Yato, Takuji', 1],
    ['Gilbert, Charles H. & Cramer, F.', 1],
    ['Golani, Daniel', 1],
    ['Miller, G. C.', 2],
    ['Ono, Makoto & Kawai, Toshio', 3],
    ['Teague, G. W.', 3],
    ['Van Oijen, Martien J. P. & Kawai, Toshio & Loots, Ineke', 2],
    ['Weber, M.', 2],
    ['Other (11)', 11]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=35)',
    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);