function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bernard, F.', 4],
    ['Cedric A. Collingwood & Donat Agosti & Mostafa R. Sharaf', 29],
    ['Collingwood, C. A., Pohl, F., Güsten, R., Wranik, W., van Harten', 5],
    ['Emery, C.', 21],
    ['Fernández, F.', 21],
    ['Forel, A.', 51],
    ['Jimoh, Bunmi Omowumi & Gomez, Kiko & Kemabonta, Kehinde Abike', 11],
    ['Mayr, G.', 11],
    ['Paknia, O. & Radchenko, A. & Alipanah, H.', 6],
    ['Santschi, F.', 47],
    ['Sharaf, Mostafa R. & Fisher, Brian L. & Collingwood, Cedric A.', 7],
    ['Sharaf, Mostafa R. & Wetterer, James K. & Mohamed, Amr A.', 8],
    ['Sparks, Kathryn S. & Andersen, Alan N. & Austin, Andrew D.', 25],
    ['Ward, P. S.', 7],
    ['Wheeler, W. M.', 5],
    ['Other (39)', 76]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=334)',
    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);