function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alfred L. Gardner', 79],
    ['Díaz-Nieto, Juan F. & Voss, Robert S.', 13],
    ['Giarla, T. C. & Voss, R. S. & Jansa, S. A.', 11],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 88],
    ['PATTON, JAMES L. & DA SILVA, MARIA NAZARETH F. & MALCOLM, JAY R.', 12],
    ['Pavan, Silvia Eliza & Rossi, Rogerio Vieira & Schneider, Horacio', 8],
    ['Rocha, Rita G. & Ferreira, Eduardo & Costa, Barbara M. A.', 9],
    ['Russell A. Mittermeier & Don E. Wilson', 104],
    ['Suarez, Catalina & Forasiepi, Analia M. & Babot, María Judith', 8],
    ['VOSS, ROBERT S. & LUNDE, DARRIN P. & SIMMONS, NANCY B.', 8],
    ['VOSS, ROBERT S. & TARIFA, TERESA & YENSEN, ERIC', 7],
    ['Voss, RS & Jansa, SA', 27],
    ['Voss, Robert S.', 164],
    ['Voss, Robert S. & Fleck, David W. & Jansa, Sharon A.', 32],
    ['Wilson, Don E. & Reeder, DeeAnn', 149],
    ['Other (65)', 137]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=856)',
    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);