function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Agnolin, Federico L. & Varricchio, David', 1],
    ['Allain, Ronan & Vullo, Romain & Rozada, Lee & Anquetin, Jérémy', 1],
    ['Andres, Brian & Ji, Qiang', 1],
    ['Augustin, Felix J. & Kampouridis, Panagiotis', 1],
    ['Bantim, Renan A. M. & Saraiva, Antônio A. F.', 1],
    ['Galton, Peter M.', 1],
    ['Headden, Jaime & Campos, H. B. N.', 2],
    ['Ibrahim, Nizar & Unwin, David M. & Martill, David M.', 1],
    ['Jagielska, Natalia & O’Sullivan, Michael & Funston, Gregory F.', 2],
    ['Lü, Junchang & Unwin, David M. & Zhao, Bo & Gao, Chunling', 2],
    ['Nesbitt, Sterling J.', 3],
    ['Pêgas, Rodrigo V & Costa, Fabiana R & Kellner, Alexander W A', 5],
    ['Rodrigues, Taissa & Kellner, Alexander Wilhelm Armin', 38],
    ['Smith, H. M.', 2],
    ['Wang, Xiaolin & Campos, Diogenes De Almeida & Zhou, Zhonghe', 2],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=64)',
    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);