function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Agrellos, Rodrigo & Bonvicino, Cibele R.', 1],
    ['Don E. Wilson & Russell A. Mittermeier & Thomas E. Lacher, Jr', 21],
    ['García-Prieto, Luis & Falcón-Ordaz, Jorge', 1],
    ['Gutierrez, Eliecer E. & Marinho-Filho, Jader', 3],
    ['Guy G. Musser & Michael D. Carleton', 16],
    ['Hurtado, Natalí & D’Elía, Guillermo', 1],
    ['Moreira, Camila Do Nascimento & Ventura, Karen', 22],
    ['PATTON, JAMES L. & DA SILVA, MARIA NAZARETH F. & MALCOLM, JAY R.', 2],
    ['Rocha, Rita G. & Ferreira, Eduardo & Costa, Barbara M. A.', 3],
    ['Teta, Pablo & Jayat, J. Pablo & Ortiz, Pablo E.', 1],
    ['Turvey, Samuel T. & Weksler, Marcelo & Morris, Elaine L.', 2],
    ['VOSS, ROBERT S. & LUNDE, DARRIN P. & SIMMONS, NANCY B.', 1],
    ['Velazco, Paúl M. & Patterson, Bruce D.', 2],
    ['Weksler, M.', 5],
    ['Wilson, Don E. & Reeder, DeeAnn', 19],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=101)',
    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);