function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Deichmann, E.', 3],
    ['Heding, S. G. & Panning, A.', 3],
    ['Liao, Yulin & Pawson, David L. & Liu, Wei', 3],
    ['Martins, Luciana & Tavares, Marcos', 13],
    ['Michonneau, François & Paulay, Gustav', 12],
    ['O’Loughlin, P. Mark & Harding 1, Caroline & Paulay, Gustav', 8],
    ['P. Mark O’Loughlin & Melanie Mackenzie & Didier Vandenspiegel', 6],
    ['Pawson, David L. & Pawson, Doris J. & King, Rachael A.', 6],
    ['Prata, Jéssica & Manso, Cynthia Lara De Castro', 10],
    ['Samyn, Yves & Thandar, Ahmed S.', 6],
    ['Solis-Marin, Francisco Alonso & Alvarado, Juan Jose', 4],
    ['Thandar, Ahmed S.', 28],
    ['Théel, Hjalmar', 4],
    ['Yamana, Yusuke & Kohtsuka, Hisanori', 7],
    ['Yamana, Yusuke & Nakaguchi, Kazumitsu & Yamaguchi, Shuhei', 6],
    ['Other (11)', 13]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=132)',
    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);