function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bariche, Michel & Fricke, Ronald', 2],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 17],
    ['Ege, V.', 19],
    ['Golani, Daniel', 2],
    ['Goren, Menachem & Galil, Bella S.', 3],
    ['Ho, Hsuan-Ching & Duhamel, Guy', 6],
    ['Ho, Hsuan-Ching & Graham, Ken & Russell, Barry', 4],
    ['Ho, Hsuan-Ching & Lin, Tzu-Yung', 3],
    ['Ho, Hsuan-Ching & Russell, Barry & Graham, Ken', 4],
    ['Ho, Hsuan-Ching & Tsai, Song-Yu & Li, Hsing-Hui', 7],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 10],
    ['Maul, G. E.', 4],
    ['Parr, A. E.', 3],
    ['Post, A.', 4],
    ['Rofen, Robert R.', 5],
    ['Other (30)', 32]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=125)',
    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);