function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Amori, Giovanni & Segniagbeto, Gabriel Hoinsoude & Decher, Jan', 1],
    ['Bennett, Nigel C. & Faulkes, Chris G. & Hart, Leanne', 2],
    ['Caspar, Kai R & Burda, Hynek & Begall, Sabine', 1],
    ['Charles A. Woods', 18],
    ['Don E. Wilson & Thomas E. Lacher, Jr & Russell A. Mittermeier', 19],
    ['Faulkes, Chris G. & Mgode, Georgies F. & Archer, Elizabeth', 2],
    ['Gippoliti, Spartaco & Amori, Giovanni', 1],
    ['Hoffmann, Michael & Grubb, Peter & Groves, Colin P.', 1],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 15],
    ['Kock, Dieter & Ingram, Colleen M. & Frabotta, Laurence J.', 1],
    ['Wilson, Don E. & Reeder, DeeAnn', 31]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=92)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);