function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Charles A. Woods', 17],
    ['Don E. Wilson & Thomas E. Lacher, Jr & Russell A. Mittermeier', 18],
    ['D’Elía, Guillermo & Mora, Ismael & Myers, Phil & Owen, Robert D.', 1],
    ['Feijó, Anderson & Langguth, Alfredo', 1],
    ['García-Prieto, Luis & Falcón-Ordaz, Jorge', 1],
    ['Hidalgo-Mihart, Mircea G. & Contreras-Moreno, Fernando M.', 1],
    ['Hulbert, Richard Charles', 1],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 18],
    ['Jansen, Martin & Engler, Marc & Blumer, Luka Moritz', 1],
    ['Lacépède, Bernard Germain Étienne de', 1],
    ['Torres-Martínez, María M & Aya-Cuero, Carlos A', 2],
    ['VOSS, ROBERT S. & DA SILVA, MARIA N. F.', 2],
    ['Velazco, Paúl M. & Patterson, Bruce D.', 2],
    ['Voss, Robert S.', 14],
    ['Wilson, Don E. & Reeder, DeeAnn', 27],
    ['Other (6)', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=113)',
    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);