function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aguilar, Jean-Pierre & Michaux, Jacques & Bertrand, Aunay', 5],
    ['Colombero, Simone & Pavia, Giulio & Carnevale, Giorgio', 4],
    ['Don E. Wilson & Thomas E. Lacher, Jr & Russell A. Mittermeier', 293],
    ['García-Prieto, Luis & Falcón-Ordaz, Jorge', 5],
    ['Gbif. Org, Occdownload', 5],
    ['Jackson, Stephen M. & Li, Quan & Wan, Tao & Li, Xue-You', 10],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 311],
    ['Jo, Yeong-Seok & Baccus, John T. & Koprowski, John L.', 8],
    ['Kazim, Abdul-Rahman & Houssaini, Jamal & Tappe, Dennis', 17],
    ['Kryštufek, Boris & Mahmoudi, Ahmad & Tesakov, Alexey S.', 15],
    ['Linnaeus, Carolus', 8],
    ['PATTON, JAMES L. & DA SILVA, MARIA NAZARETH F. & MALCOLM, JAY R.', 4],
    ['Popov, Vasil V.', 4],
    ['Robert S. Hoffmann & Charles G. Anderson', 325],
    ['Wilson, Don E. & Reeder, DeeAnn', 738],
    ['Other (52)', 67]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=1819)',
    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);