function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Adlbauer, K. & Ayalew, Amare & Beck, R. & Drumont, A.', 1],
    ['Behne, L & Gaedike, H', 1],
    ['Gupta, Rajeev & Vitali, Francesco', 75],
    ['Hiremath, Sangamesh R. & Lin, Mei-Ying', 6],
    ['Lin, Mei-Ying & Lingafelter, Steven W.', 4],
    ['Lin, Mei-Ying & Perissinotto, Renzo & Clennell, Lynette', 2],
    ['Lin, Meiying & Dai, Li', 1],
    ['Lin, Meiying & Lin, Wenhsin', 1],
    ['Lin, Meiying & Tavakilian, Gérard & Montreuil, Olivier', 8],
    ['Lin, Meiying & Yang, Xingke', 5],
    ['Monné, Miguel A. & Nascimento, Francisco E. De L.', 1],
    ['Xian, Chunlan & Leong, Chi Man & Luo, Jiuyang & Jia, Fenglong', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=106)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);