function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Al-Kandari, Manal & Polikarpov, Igor & Nithyanandan, Manickam', 1],
    ['Bousfield, Edward Lloyd', 1],
    ['Cheng, Yu-Ting & Nakazono, Kenji & Lin, Kirk & Chan, Benny K. K.', 1],
    ['Hou, Z. - E. & Li, S.', 2],
    ['Hou, Zhong-E & Li, Shuqiang', 1],
    ['Lowry, J. K.', 3],
    ['Lowry, J. K. & Baldanzi, S.', 1],
    ['Lowry, J. K. & Bopiah, Arundathi', 2],
    ['Lowry, J. K. & Myers, A. A.', 1],
    ['Miyamoto, Hisashi & Morino, Hiroshi', 1],
    ['Myers, Alan A. & Lowry, James K.', 7],
    ['Serejo, C. S. & Lowry, J. K.', 3],
    ['Serejo, Cristiana S.', 2],
    ['Wildish, D. J. & Smith, S. R. & Loeza-Quintana, T.', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=28)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);