function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['BAIN, RAOUL H. & TRUONG, NGUYEN QUANG', 1],
    ['Barabanov, Andrei V. & Doronin, Igor V.', 1],
    ['Biju, S. D. & Bossuyt, Franky', 49],
    ['Chan, Kin Onn & Muin, Mohd Abdul & Anuar, Shahrul & Andam, Joel', 1],
    ['Dehling, J. Maximilian & Das, Indraneil', 1],
    ['Dehling, J. Maximilian & Dehling, D. Matthias', 1],
    ['Gururaja, Kotambylu Vasudeva & Aravind, Nilavara Anantharama', 1],
    ['Gururaja, Kotambylu Vasudeva & Palot, Muhamed Jafer', 1],
    ['Matsui, Masafumi', 1],
    ['Meegaskumbura, Madhava & Manamendra-Arachchi, Kelum', 4],
    ['Miracle, Eulàlia Gassó & Van, Lars W. & Ostende, Den Hoek', 1],
    ['Stuart, Bryan L. & Phimmachak, Somphouthone & Seateun, Sengvilay', 1],
    ['Truong, Nguyen Quang & Hendrix, Ralf & Böhme, Wolfgang', 1],
    ['Yu, Guohua & Rao, Dingqi & Yang, Junxing & Zhang, Mingwang', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=65)',
    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);