function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arai, T. & McMillan, P. J.', 1],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 3],
    ['Chiou, M. - L. & Shao, Kwang-Tsao & Iwamoto, T.', 2],
    ['Collett, R.', 1],
    ['Fowler, Henry Weed', 1],
    ['Gilbert, Charles H. & Cramer, F.', 1],
    ['Gilbert, Charles H. & Hubbs, Carl L.', 16],
    ['Iwamoto, Tomio & Anderson, M. Eric', 2],
    ['Iwamoto, Tomio & Williams, A.', 7],
    ['Matsubara, K.', 3],
    ['McMillan, P. J. & Paulin, Chris D.', 5],
    ['Okamura, Osamu', 2],
    ['Radcliffe, L.', 3],
    ['Sazonov, Yu. I. & Iwamoto, Tomio', 2],
    ['Weber, M.', 3],
    ['Other (12)', 12]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=64)',
    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);