function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alfred L. Gardner', 3],
    ['García-Prieto, Luis & Falcón-Ordaz, Jorge', 1],
    ['Hidalgo-Mihart, Mircea G. & Contreras-Moreno, Fernando M.', 1],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 3],
    ['PATTON, JAMES L. & DA SILVA, MARIA NAZARETH F. & MALCOLM, JAY R.', 1],
    ['Russell A. Mittermeier & Don E. Wilson', 7],
    ['VOSS, ROBERT S. & LUNDE, DARRIN P. & SIMMONS, NANCY B.', 1],
    ['Voss, RS & Jansa, SA', 1],
    ['Voss, Robert S.', 11],
    ['Voss, Robert S. & Díaz-Nieto, Juan F. & Jansa, Sharon A.', 4],
    ['Voss, Robert S. & Fleck, David W. & Jansa, Sharon A.', 3],
    ['Voss, Robert S. & Giarla, Thomas C.', 1],
    ['Wilson, Don E. & Reeder, DeeAnn', 8]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=45)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 13, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);