function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Abdel-Dayem, Mahmoud S. & Elgharbawy, Ali A. & Rasool, Iftekhar', 4],
    ['Anichtchenko, Alexander & Kirschenhofer, Erich', 12],
    ['Bousquet, Yves', 65],
    ['Chanu, N. Yaiphabi & Swaminathan, R.', 15],
    ['Guéorguiev, B.', 9],
    ['Hristovski, Slavčo & Guéorguiev, Borislav', 11],
    ['Kabak, I. I. & Liang, H. - B.', 16],
    ['Kostova, Rumyana & Gueorguiev, Borislav', 18],
    ['Merene, Yeshitla & Lorenz, Wolfgang & Opgenoorth, Lars', 98],
    ['Qin, Yuyao & Germann, Christoph & Liang, Hongbin', 7],
    ['Serrano, Artur R. M.', 33],
    ['Serrano, Artur R. M. & Capela, Rúben A.', 14],
    ['Teofilova, Teodora', 5],
    ['Ullah, Mishkat & Naeem, Muhammad & Mahmood, Khalid', 32],
    ['Valim, Ye & Kavanaugh, David H. & Shi, Hongliang', 9],
    ['Other (26)', 50]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=398)',
    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);