function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Asakawa, M. & Kamiya, H. & Ohbayashi, M.', 1],
    ['Brenes, Rodrigo Ramón & Jiménez-Quirós, Otto', 1],
    ['Denton, J. Fred', 1],
    ['Faust, E. C.', 2],
    ['Fischthal, Jacob H. & Kuntz, Robert E', 2],
    ['Jaiswal, G. P.', 2],
    ['Jiménez-Quirós, Otto & Arroyo, Guido', 1],
    ['Li, Minmin', 2],
    ['Lunaschi, Lia I. & Álvarez, Victor Hugo Merlo', 1],
    ['Mas-Coma, S.', 1],
    ['Muniz-Pereira, Luís C. & Vieira, Fabiano M. & Luque, José L.', 2],
    ['Odening, K.', 1],
    ['Richard, J.', 2],
    ['Travassos, L.', 3],
    ['Vercammen-Grandjean, P. H.', 2],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=29)',
    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);