function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arabuli, Lela & Murvanidze, Lali & Faltynkova, Anna', 3],
    ['Campião, Karla Magalhães & Morais, Drausio Honorio', 1],
    ['Chandler, Asa C.', 1],
    ['Chatterji, R. C.', 1],
    ['Dollfus, R. P.', 2],
    ['Gupta, S. P.', 1],
    ['Gupta, V. & Puri, M.', 1],
    ['Kakaji, V. L.', 1],
    ['Lim, C. H. & Kim, S. H.', 2],
    ['MacCallum, G. A.', 1],
    ['Paredes-León, Ricardo & García-Prieto, Luis', 3],
    ['Poirier, J.', 1],
    ['Stunkard, Horace W.', 1],
    ['Thomas, J. D.', 1],
    ['Xue, Xiao-Feng & Song, Zi-Wei & Hong, Xiao-Yue', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=23)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);