function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Cuvier, Georges', 3],
    ['Diniz, Paulo Baltazar & Siqueira, Hatus de Oliveira', 1],
    ['Fernández-Yépez, A.', 1],
    ['Fink, William L. & Machado-Allison, Antonio', 2],
    ['Fowler, Henry Weed', 1],
    ['Jégu, M. & Leão, E. L. M. & dos Santos, Geraldo Mendes', 1],
    ['Jégu, M. & dos Santos, Geraldo Mendes', 1],
    ['Kner, R.', 2],
    ['Koerber, Stefan & Guimarães, Erick Cristofore', 2],
    ['Litz, Thomas O. & The, Stefan Koerber Introduction', 1],
    ['Machado-Allison, Antonio & Fink, William L. & López Rojas, H.', 1],
    ['Merckx, A. & Jégu, M. & Mendes dos Santos, G.', 1],
    ['Ota, Renata Rúbia & Deprá, Gabriel de Carvalho', 3],
    ['Ramírez, M. V.', 1],
    ['The, Stefan Koerber', 9],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=31)',
    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);