function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Camper, Jeffrey D. & Torres-Carvajal, Omar & Ron, Santiago R.', 2],
    ['Duszynski, Donald W. & Bolek, Matthew G. & Upton, Steve J.', 3],
    ['Fernández-Roldán, Juan David & Lynch, John D.', 2],
    ['Figueroa, Alex & Low, Martyn E. Y. & Lim, Kelvin K. P.', 2],
    ['Gardner, JD', 4],
    ['Giri, Varad & Gower, David J. & Wilkinson, Mark', 2],
    ['Giri, Varad & Wilkinson, Mark & Gower, David J.', 2],
    ['Kamei, Rachunliu G. & Gower, David J. & Wilkinson, Mark', 6],
    ['Kamei, Rachunliu G. & Wilkinson, Mark & Gower, David J.', 3],
    ['Linnaeus, Carolus', 3],
    ['Maciel, Adriano O. & Hoogmoed, Marinus S.', 19],
    ['Maddin, Hillary C. & Russell, Anthony P. & Anderson, Jason S.', 9],
    ['Miracle, Eulàlia Gassó & Van, Lars W. & Ostende, Den Hoek', 8],
    ['Restrepo, Adriana & Molina-Zuluaga, Claudia & Hurtado, Juan P.', 3],
    ['Wilkinson, Mark & Mauro, Diego San & Sherratt, Emma', 34],
    ['Other (44)', 51]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=153)',
    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);