function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barrio-Amorós, César L. & Brewer-Carías, Charles', 1],
    ['Caicedo-Martinez, Luis Santiago & Henao-Osorio, Jose J.', 1],
    ['Calixto, Pedro de Oliveira & Abrahão Morato, Sérgio Augusto', 1],
    ['Camper, Jeffrey D. & Torres-Carvajal, Omar & Ron, Santiago R.', 2],
    ['Cuadrado, Stefania S. & Loor, Yelsin A. & Narváez, Andrea E.', 1],
    ['Fouquet, Antoine & Gaucher, Philippe & Blanc, Michel', 2],
    ['Fouquet, Antoine & Vidal, Nicolas & Dewynter, Maël', 2],
    ['Llanqui, Irbin B. & Y. Salas, Cinthya & Oblitas, Melissa P.', 2],
    ['Oliveira, Marianna Isabella Rosa Rodrigues De', 12],
    ['Ovalle-Pacheco, Andrés & Camacho-Rozo, Claudia & Arroyo, Sandy', 3],
    ['Pereyra, Martín O. & Blotto, Boris L. & Baldo, Diego', 4],
    ['Restrepo, Adriana & Molina-Zuluaga, Claudia & Hurtado, Juan P.', 2],
    ['Rojas, Rommel R. & Peña, Pedro Perez & Ávila, Robson W.', 2],
    ['Schiesari, Luis & Rossa-Feres, Denise De Cerqueira', 3],
    ['Vaz-Silva, Wilian & Maciel, Natan M. & Bastos, Rogério P.', 2],
    ['Other (19)', 19]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=59)',
    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);