function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ayres, W. O.', 1],
    ['Costa, Dimitri de Araujo & Dolbeth, Marina & Prata, Jessica', 1],
    ['Davey, Nicola', 3],
    ['Liao, Yulin & Pawson, David L. & Liu, Wei', 2],
    ['Martins, Luciana & Marques, Alexandre Oliveira', 2],
    ['O’Loughlin, P. Mark & Mackenzie, Melanie & Vandenspiegel, Didier', 5],
    ['Pawson, David L.', 4],
    ['Pawson, David L. & Vance, Doris J.', 3],
    ['Reich, Mike', 2],
    ['Smirnov, Alexey V. & Panina, Elena G. & Sanamyan, Nadezhda P.', 4],
    ['THANDAR, AHMED S.', 2],
    ['Yamana, Yusuke & Tanaka, Hayato', 4],
    ['Yamana, Yusuke & Tanaka, Hayato & Hirabayashi, Isao', 2],
    ['Yamana, Yusuke & Tanaka, Hayato & Nakachi, Shu', 3],
    ['Yamana, Yusuke & Yamamoto, Masaki & Ota, Yuzo', 4],
    ['Other (8)', 8]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=50)',
    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);