function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bray, Rodney A. & Cribb, Thomas H. & Barker, Stephen C.', 2],
    ['Byrd, Mitchell A.', 2],
    ['Campbell, Ronald A. & Munroe, Thomas A.', 2],
    ['Gupta, S. P.', 3],
    ['Kostadinova, Aneta & Power, Anne Marie & Fernández, Mercedes', 2],
    ['Lunaschi, Lia I. & Álvarez, Victor Hugo Merlo', 3],
    ['Lunaschi, Lía I.', 3],
    ['Manter, Harold W.', 9],
    ['Margarita Ostrowski de Núñez & Nathalia J. Arredondo', 7],
    ['Nicoll, W.', 3],
    ['Shen, J. - w.', 3],
    ['Srivastava, H. D.', 4],
    ['Szidat, L.', 3],
    ['Travassos, L. & Artigas, P. & Pereira, C.', 3],
    ['Xue, Xiao-Feng & Song, Zi-Wei & Hong, Xiao-Yue', 5],
    ['Other (49)', 54]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=108)',
    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);