function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Castro, Peter', 7],
    ['Charbonnier, Sylvain & Garassino, Alessandro & Pasini, Giovanni', 2],
    ['Coelho, Petrônio Alves & Almeida, Alexandre Oliveira De', 6],
    ['Filho, Petrônio Alves Coelho', 3],
    ['Galil, Bella', 5],
    ['Galil, Bella & Takeda, Masatsune', 4],
    ['Galil, Bella S.', 7],
    ['Galil, Bella S. & Ng, Peter K. L.', 6],
    ['In, First Published', 2],
    ['Kumar, Biju A. & Kumar, M. Sushil & Galil, Bella S.', 6],
    ['Mantelatto, Fernando L. & Tamburus, Ana Francisca', 3],
    ['Muñoz, Isabel & García-Isarch, Eva & Cuesta, Jose A.', 5],
    ['Ossó, Àlex & Gagnaison, Cyril', 3],
    ['Schweitzer, Carrie E. & Feldmann, Rodney M.', 5],
    ['Spiridonov, Vassily A. & Apel, Michael', 6],
    ['Other (17)', 20]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=90)',
    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);