function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Benson, Roger B. J.', 5],
    ['Brownstein, Chase Doran', 21],
    ['Chatterjee, Sankar & Zheng, Zhong', 5],
    ['Coria, R. A. & Currie, P. J.', 4],
    ['D, Michael D. & Emic', 17],
    ['Dong, Zhiming', 5],
    ['Fernández, Omar Rafael Regalado & Stöhr, Henrik', 14],
    ['Hendrickx, Christophe & Mateus, Octávio', 4],
    ['Mocho, Pedro & Royo-Torres, Rafael & Ortega, Francisco', 6],
    ['Nesbitt, Sterling J.', 14],
    ['Rauhut, Oliver W. M.', 4],
    ['Rauhut, Oliver W. M. & Milner, Angela C. & Moore-Fay, Scott', 4],
    ['Royo-Torres, Rafael & Upchurch, Paul & Mannion, Philip D.', 4],
    ['Tschopp, Emanuel & Maidment, Susannah C. R.', 5],
    ['Whitlock, John A.', 5],
    ['Other (57)', 90]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=207)',
    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);