function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aguado, M. Teresa & Murray, Anna & Hutchings, Pat', 47],
    ['Barnich, Ruth & Fiege, Dieter', 39],
    ['Cruz-Gómez, Christopher', 43],
    ['Faulwetter, Sarah & Chatzigeorgiou, Georgios & Galil, Bella S.', 42],
    ['Faulwetter, Sarah & Simboura, Nomiki & Katsiaras, Nikolaos', 628],
    ['Glasby, Christopher J.', 55],
    ['Glasby, Christopher J. & Timm, Tarmo & Muir, Alexander I.', 66],
    ['Gunton, Laetitia M. & Kupriyanova, Elena K. & Alvestad, Tom', 257],
    ['Hsueh, Pan-Wen', 39],
    ['Mikac, Barbara', 133],
    ['Nygren, Arne', 95],
    ['Salazar-Vallejo, Sergio I.', 108],
    ['Salazar-Vallejo, Sergio I. & Carrera-Parra, Luis F.', 149],
    ['San Martin, G & Hutchings, PA', 56],
    ['Wiklund, Helena & Rabone, Muriel & Glover, Adrian G', 114],
    ['Other (283)', 1767]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=3638)',
    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);