function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Camper, Jeffrey D. & Torres-Carvajal, Omar & Ron, Santiago R.', 2],
    ['De Almeida, Alexandre P. & Moraes, Leandro J. C. L.', 2],
    ['Dubeux, Marcos Jorge Matias', 1],
    ['Escalona, Moisés & Marca, Enrique La & Castellanos, Michelle', 1],
    ['Fouquet, Antoine & Vidal, Nicolas & Dewynter, Maël', 5],
    ['Llanqui, Irbin B. & Y. Salas, Cinthya & Oblitas, Melissa P.', 2],
    ['Manzano, Maria Carolina Rodella & Takeno, Michele Fernandes', 7],
    ['Marinho, Pedro & Bang, Davi L. & Vidigal, Izadora', 1],
    ['Marinho, Pedro & Costa-Campos, Carlos Eduardo', 1],
    ['Ovalle-Pacheco, Andrés & Camacho-Rozo, Claudia & Arroyo, Sandy', 3],
    ['Pinheiro, Paulo D. P. & Cintra, Carlos E. D. & Valdujo, Paula H.', 1],
    ['Restrepo, Adriana & Molina-Zuluaga, Claudia & Hurtado, Juan P.', 1],
    ['Schiesari, Luis & Rossa-Feres, Denise De Cerqueira', 9],
    ['Sturaro, Marcelo José & Costa, João Carlos Lopes', 3],
    ['Widholzer, Ronaldo Libardi & Castroviejo-Fisher, Santiago', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=40)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);