function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Cyriac, Vivek Philip & Narayanan, Surya & Sampaio, Filipa L.', 9],
    ['Ganesh, S. R. & Channakeshava Murthy, B. H.', 5],
    ['Ganesh, S. R. & Sampaio, Filipa L. & Gower, David J.', 1],
    ['Gower, David J.', 6],
    ['Gower, David J. & Maduwage, Kalana', 4],
    ['Gower, David J. & Mendis Wickramasinghe, L. J.', 1],
    ['Gower, David J. & Narayanan, Surya & Deepak, V.', 2],
    ['Mendis Wickramasinghe, L. J. & Vidanapathirana, Dulan Ranga', 2],
    ['Pyron, Robert Alexander & Ganesh, Sumaithangi Rajagopalan', 46],
    ['Pyron, Robert Alexander & Somaweera, Ruchira', 2],
    ['Sampaio, Filipa L. & Narayanan, Surya & Cyriac, Vivek Philip', 8],
    ['Szyndlar, Zbigniew & Georgalis, Georgios L.', 8],
    ['Wickramasinghe, L. J. Mendis & Vidanapathirana, Dulan Ranga', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=95)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 13, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);