function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aguiar, Aline & Morais, Drausio Honorio', 3],
    ['Bray, Rodney A. & Hendrix, Sherman S.', 1],
    ['Brooks, Daniel R.', 1],
    ['Dollfus, R. P.', 1],
    ['Gibson, David Ian & Bray, Rodney A.', 1],
    ['Ingles, Lloyd G.', 1],
    ['Karar, Yasser F. M. & Blend, Charles K. & Dronen, Norman O.', 7],
    ['León, Pérez-Ponce De', 10],
    ['Lucker, John T.', 1],
    ['Lunaschi, Lía I. & Drago, Fabiana B.', 1],
    ['Margarita Ostrowski de Núñez & Nathalia J. Arredondo', 3],
    ['Paredes-León, Ricardo & García-Prieto, Luis', 9],
    ['Razo-Mendivil, U. & León-Règagnon, V. & Pérez-Ponce de León, G', 2],
    ['Xue, Xiao-Feng & Song, Zi-Wei & Hong, Xiao-Yue', 2],
    ['da Graça, Rodrigo J. & Oda, Fabrício H. & Lima, Flávia S.', 2],
    ['Other (8)', 8]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=53)',
    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);