function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Al-Kandari, Manal & Polikarpov, Igor & Nithyanandan, Manickam', 10],
    ['Alonso, G. M.', 2],
    ['Appadoo, C & Myers, A. A.', 4],
    ['Azman, B. A. R. & Othman, B. H. R.', 1],
    ['Brutto, Sabrina Lo & Joseph, Philomina', 1],
    ['Jung, Tae Won & Coleman, Charles Oliver & Yoon, Seong Myeong', 9],
    ['Kim, Kyung-Won & Zhang, Xin & Choi, Jae-Hong & Kim, Jun', 3],
    ['Myers, Alan A.', 13],
    ['Myers, Alan A. & Rigolet, Carine & Thiébaut, Eric', 1],
    ['Nogueira, Marcos Moura & Alves, Jessika & Neves, Elizabeth', 1],
    ['Paz-Ríos, Carlos E. & Pech, Daniel', 2],
    ['Souza-Filho, Jesser F. & Serejo, Cristiana S.', 4],
    ['Thacker, Dimple & Patel, Krupal & Myers, Alan', 11],
    ['Vader, Wim & Krapp, Traudl', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=63)',
    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);