function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['CHATTERJEE, TAPAS & KOTOV, ALEXEY A. & DAMME, KAY VAN', 3],
    ['Dadykin, Ivan A. & Sinev, Artem Y. & Gu, Yangliang', 3],
    ['Dartnall, Herbert J. G. & Hollwedel, Werner', 1],
    ['Jeong, Hyun Gi & Kotov, Alexey A. & Lee, Wonchoel', 1],
    ['Kotov, Alexey A. & Elmoor-Loureiro, Lourdes M. A.', 5],
    ['Kotov, Alexey A. & Gololobova, Maria A.', 1],
    ['Kotov, Alexey A. & Jeong, Hyun Gi & Lee, Wonchoel', 3],
    ['Kotov, Alexey A. & Sinev, Artem Y. & Berrios, Viviana Lorena', 2],
    ['Macêdo, Rafael Lacerda & Sousa, Francisco Diogo R.', 2],
    ['Pugh, P. J. A. & Dartnall, H. J. G. & McInnes, S. J.', 1],
    ['Sousa, Francisco Diogo Rocha', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=29)',
    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);