function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Allen, J. A.', 4],
    ['Beal, Maxwell R. W. & Matzinger, Parker J. & Saborío-R., Guido', 1],
    ['Charles A. Woods', 12],
    ['Don E. Wilson & Thomas E. Lacher, Jr & Russell A. Mittermeier', 13],
    ['Feijó, Anderson & Langguth, Alfredo', 1],
    ['Garbino, Guilherme S. T. & Nogueira, Marcelo R.', 1],
    ['García-Prieto, Luis & Falcón-Ordaz, Jorge', 2],
    ['Hidalgo-Mihart, Mircea G. & Contreras-Moreno, Fernando M.', 1],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 12],
    ['Jansen, Martin & Engler, Marc & Blumer, Luka Moritz', 1],
    ['Pereira, Alan Deivid & Bazilio, Sergio & Orsi, Mário Luís', 1],
    ['Pierre, Meshach A. & Ignacio, Leroy & Paemelaere, Evi A. D.', 1],
    ['Torres-Porras, Jeronimo & Cobos, Marlon E & Seoane, José Manuel', 1],
    ['VOSS, ROBERT S. & LUNDE, DARRIN P. & SIMMONS, NANCY B.', 1],
    ['Wilson, Don E. & Reeder, DeeAnn', 17]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=69)',
    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);