function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Charles A. Woods', 20],
    ['Don E. Wilson & Thomas E. Lacher, Jr & Russell A. Mittermeier', 21],
    ['Erxleben, J. C. P.', 1],
    ['Gutierrez, Eliecer E. & Marinho-Filho, Jader', 3],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 20],
    ['Jansen, Martin & Engler, Marc & Blumer, Luka Moritz', 1],
    ['Kazim, Abdul-Rahman & Houssaini, Jamal & Tappe, Dennis', 1],
    ['Pallas, Peter (Pyotr) Simon von', 1],
    ['Pallas, Peter Simon', 2],
    ['Pereira, Alan Deivid & Bazilio, Sergio & Orsi, Mário Luís', 1],
    ['R D E Macphee & Ronald Singer & Michael Diamond', 1],
    ['Sánchez-Montes, Sokani & Colunga-Salas, Pablo', 1],
    ['Teta, Pablo & Ojeda, Ricardo A. & Lucero, Sergio O.', 1],
    ['Wilson, Don E. & Reeder, DeeAnn', 39],
    ['Zimmermann, E. A. W.', 1],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=115)',
    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);