function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acd', 2],
    ['Baturina, Maria A. & Kaygorodova, Irina A. & Loskutova, Olga A.', 1],
    ['Burreson, Eugene M. & Kearn, Graham C.', 1],
    ['El-Shimy, Nasser A.', 1],
    ['Fedorova, Lyudmila I. & Kaygorodova, Irina A.', 1],
    ['Harding, W. A.', 2],
    ['Harding, W. A. & Moore, John Percy', 3],
    ['Kappes, Heike', 2],
    ['Kozur, Heinz', 2],
    ['Lai, Yi-Te & Nakano, Takafumi & Chen, Jiun-Hong', 2],
    ['Mandal, Chandra Kanta', 2],
    ['Moore, John Percy', 7],
    ['Oka, Asajiro', 3],
    ['Richardson, Laurence R.', 10],
    ['Yang, Tong', 3],
    ['Other (12)', 12]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=54)',
    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);