function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Guevara, Lázaro & Sánchez-Cordero, Víctor & León-Paniagua, Livia', 1],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 13],
    ['Lee Jr, Thomas E. & Tinoco, Nicolas & Crockett, Seth C.', 1],
    ['Moreno Cárdenas, Pablo A. & Albuja V, Luis', 3],
    ['Morrone, Juan J. & Acosta, Roxana', 1],
    ['Quiroga-Carmona, Marcial', 1],
    ['Quiroga-Carmona, Marcial & Molinari, Jesús', 1],
    ['Rainer Hutterer', 15],
    ['Russell A. Mittermeier & Don E. Wilson', 45],
    ['VOSS, ROBERT S.', 1],
    ['Wilson, Don E. & Reeder, DeeAnn', 36],
    ['Woodman, Neal', 1],
    ['Woodman, Neal & Timm, Robert M', 2],
    ['Woodman, Neal & Timm, Robert M.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=122)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);