function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alatawi, Fahad Jaber & Kamran, Muhammad', 1],
    ['Chalil, Suada Poolayulla & Kunnathattil, Maneesha', 11],
    ['Demite, P. R. & Flechtmann, C. H. W. & Feres, R. J. F.', 2],
    ['DraboK, Edouard & WaongoK, Antoine & TraoréK, Fousséni', 2],
    ['Ehara, Shôzô & Gotoh, Tetsuo', 1],
    ['Kamran, Muhammad & Khan, Eid Muhammad & Alatawi, Fahad Jaber', 6],
    ['Naves, Pedro & Nóbrega, Filomena & Auger, Philippe', 1],
    ['NavesK, Pedro & AguiarK, António Franquinho & Santos, Márcia', 3],
    ['Negm, M. W.', 1],
    ['Toroitich, Faith J. & Ueckermann, Edward A. & Theron, Pieter D.', 4],
    ['Zriki, G. & Shaabo, A. & Boubou, A.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=33)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);