function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Al-Kandari, Manal & Polikarpov, Igor & Nithyanandan, Manickam', 3],
    ['Andrade, Luiz F. & Senna, André R.', 8],
    ['Appadoo, C & Myers, A. A.', 5],
    ['Azman, B. A. R. & Othman, B. H. R.', 1],
    ['Hughes, L. E. & Lowry, J. K.', 11],
    ['Hughes, Lauren E. & Peart, Rachael A.', 23],
    ['Momtazi, Farzaneh', 3],
    ['Myers, Alan A.', 1],
    ['Myers, Alan A. & Nithyanandan, Manickam', 1],
    ['Peart, R. A.', 7],
    ['Peart, R. A. & Hughes, L. E.', 8],
    ['Peart, Rachael A.', 14],
    ['Peart, Rachael A. & Hughes, Lauren E.', 2],
    ['Thacker, Dimple & Myers, Alan & Trivedi, Jigneshkumar', 2],
    ['Thacker, Dimple & Patel, Krupal & Myers, Alan', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=95)',
    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);