function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Beal, Maxwell R. W. & Matzinger, Parker J. & Saborío-R., Guido', 1],
    ['Bezerra, Alexandra Maria Ramos & Bordallo, Samanta Uchôa', 1],
    ['Costa, Ana Raíssa Cunha & Passamani, Marcelo', 1],
    ['Don E. Wilson & Russell A. Mittermeier', 2],
    ['García-Prieto, Luis & Falcón-Ordaz, Jorge', 3],
    ['Hidalgo-Mihart, Mircea G. & Contreras-Moreno, Fernando M.', 1],
    ['Jansen, Martin & Engler, Marc & Blumer, Luka Moritz', 1],
    ['Pereira, Alan Deivid & Bazilio, Sergio & Orsi, Mário Luís', 2],
    ['Pierre, Meshach A. & Ignacio, Leroy & Paemelaere, Evi A. D.', 1],
    ['Torres-Porras, Jeronimo & Cobos, Marlon E & Seoane, José Manuel', 1],
    ['VOSS, ROBERT S.', 1],
    ['VOSS, ROBERT S. & LUNDE, DARRIN P. & SIMMONS, NANCY B.', 1],
    ['W. Christopher Wozencraft', 2],
    ['Wilson, Don E. & Reeder, DeeAnn', 13],
    ['Álvarez-Córdova, Fernando & Fernández, Jesús A.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=32)',
    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);