function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Al-Kandari, Manal & Polikarpov, Igor & Nithyanandan, Manickam', 2],
    ['Alves, Jessika & Neves, Elizabeth G. & Johnsson, Rodrigo', 2],
    ['Andrade, Luiz F. & Senna, André R.', 2],
    ['Appadoo, C & Myers, A. A.', 6],
    ['Correia, Filipe R. & Guedes-Silva, Elkênita', 2],
    ['Hughes, L. E. & Lowry, J. K.', 5],
    ['Hughes, Lauren E. & Peart, Rachael A.', 16],
    ['Kim, Kyung-Won & Zhang, Xin & Choi, Jae-Hong & Kim, Jun', 4],
    ['Leach, William Elford', 1],
    ['Myers, Alan A.', 2],
    ['Peart, R. A. & Hughes, L. E.', 6],
    ['Peart, Rachael A.', 22],
    ['Peart, Rachael A. & Hughes, Lauren E.', 2],
    ['Shin, Myung-Hwa & Coleman, Charles Oliver', 2],
    ['Thacker, Dimple & Patel, Krupal & Myers, Alan', 7],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=86)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);