function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Abu El-Hassan, Gawhara M. M. & Badrawy, Haitham B. M.', 19],
    ['Bertoloni, Giuseppe', 1],
    ['Carmo, Daniel D. D. & Henriques, Augusto L.', 23],
    ['El-Hawagry, Magdi S. & Abdel-Dayem, Mahmoud S.', 1],
    ['González, Christian R. & Elgueta, Mario & Krolow, Tiago K.', 6],
    ['Goodwin, James T.', 23],
    ['Linnaeus, Carolus', 15],
    ['Loew, Hermann', 2],
    ['Maity, Aniruddha & Naskar, Atanu & Homechaudhuri, Sumit', 10],
    ['Meigen, Johann Wilhelm', 21],
    ['Mugasa, Claire M. & Villinger, Jandouwe & Gitau, Joseph', 6],
    ['Palisot de Beauvois, Ambroise-Marie-Franc ̧ ois-Joseph', 5],
    ['Sforzi, Alessandra & Sommaggio, Daniele', 15],
    ['Veroy, Katerin & Orozco, Jesus & Henriques, Augusto L.', 2],
    ['Wolff, Marta & Miranda-Esquivel, Daniel Rafael', 82],
    ['Other (7)', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=238)',
    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);