function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acosta, Roxana', 3],
    ['Baker, Rollin H.', 1],
    ['Bradley, Robert D. & Francis, James Q. & Platt II, Roy N.', 9],
    ['Cornejo-Latorre, Cristian & Cortés-Calva, Patricia', 1],
    ['Don E. Wilson & Russell A. Mittermeier & Thomas E. Lacher, Jr', 66],
    ['García-Prieto, Luis & Falcón-Ordaz, Jorge', 7],
    ['Greenbaum, Ira F. & Honeycutt, Rodney L. & Chirhart, Scott E.', 7],
    ['Guy G. Musser & Michael D. Carleton', 54],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 50],
    ['Kalcounis-Rueppell, Matina C. & Spoon, Tracey R.', 1],
    ['Morrone, Juan J. & Acosta, Roxana', 2],
    ['Sánchez-Hernández, Cornelio & Schnell, Gary D.', 1],
    ['Weksler, M.', 1],
    ['Wilson, Don E. & Reeder, DeeAnn', 57],
    ['Álvarez-Castañeda, Sergio Ticul & González-Ruiz, Noé', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=262)',
    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);