function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Amori, Giovanni & Segniagbeto, Gabriel Hoinsoude & Decher, Jan', 1],
    ['Coster, Pauline & Beard, K. Christopher & Salem, Mustafa', 1],
    ['Decher, Jan & Norris, Ryan W. & Abedi-Lartey, Michael', 1],
    ['Don E. Wilson & Thomas E. Lacher, Jr & Russell A. Mittermeier', 8],
    ['Fritz Dieterlen', 12],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 11],
    ['SCHUNKE, ANJA C. & HUTTERER, RAINER', 2],
    ['Sallam, Hesham M. & Seiffert, Erik R. & Simons, Elwyn L.', 2],
    ['Wilson, Don E. & Reeder, DeeAnn', 14]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=52)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 9, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);