function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Al-Kandari, Manal & Polikarpov, Igor & Nithyanandan, Manickam', 2],
    ['Alonso, G. M.', 3],
    ['Azman, B. A. R. & Othman, B. H. R.', 1],
    ['Hendrycks, EA & Conlan, KE', 2],
    ['Kilgallen, Niamh M.', 4],
    ['Kim, Kyung-Won & Zhang, Xin & Choi, Jae-Hong & Kim, Jun', 1],
    ['Lowry, J. K. & Kilgallen, N. M.', 20],
    ['Lowry, J. K. & Stoddart, H. E.', 47],
    ['Lörz, Anne-Nina & De Broyer, Claude', 1],
    ['Thacker, Dimple & Patel, Krupal & Myers, Alan', 3],
    ['Tomikawa, Ko & Watanabe, Hiromi Kayama & Tanaka, Katsuhiko', 2],
    ['Wang, Yanrong & Sha, Zhongli & Ren, Xianqiu', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=87)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);