function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Crossland, C.', 1],
    ['Fassbender, Nico & Stefanoudis, Paris V', 3],
    ['Lamberts, Austin E.', 2],
    ['Nemenzo, Francisco', 1],
    ['Richards, Zoe T. & Wallace, Carden C.', 3],
    ['Robert, Rolando & Lee, Dexter Jiunn Herng', 1],
    ['Samiei, Jahangir Vajed & Dab, Koosha & Ghezellou, Parviz', 8],
    ['Santodomingo, Nadiezhda & Wallace, Carden C.', 46],
    ['Sola, Erwan & Silva, Isabel Marques da & Glassom, David', 30],
    ['Studer, T.', 1],
    ['Verrill, Addison Emery', 4],
    ['Wallace, Carden C. & Done, Barbara J. & Muir, Paul R.', 128],
    ['Wallace, Carden C. & Turak, Emre & DeVantier, Lyndon', 5],
    ['Wells, John W.', 5],
    ['van der Meij, Sancia E. T. & Visser, Rémon R.', 9],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=252)',
    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);