function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bariche, Michel & Fricke, Ronald', 1],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 2],
    ['Carvalho, Marcelo Rodrigues De', 4],
    ['Ebert, David A. & White, William T. & Ho, Hsuan-Ching', 1],
    ['Ebert, David A. & Wintner, Sabine P. & Kyne, Peter M.', 2],
    ['Edwards, A. J. & Gill, A. C. & Abohweyere, P. O.', 2],
    ['Fernando, Daniel & Bown, Rosalind M. K. & Tanna, Akshay', 1],
    ['Golani, Daniel & Bogorodsky, Sergey V.', 1],
    ['Jacobsen, Ian P. & Bennett, Mike B.', 2],
    ['Jones, Christian M. & Driggers Iii, William B.', 1],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 1],
    ['Nurettin Meriç & Lütfiye Eryilmaz & Müfit Özulug', 1],
    ['Straube, Nicolas & White, William T. & Ho, Hsuan-Ching', 1],
    ['Vossoughi, G. H. & Vosoughi, A. R.', 1],
    ['White, William T. & Ko’Ou, Alfred', 2],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=24)',
    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);