function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ahmed, Raja Ben & Romdhane, Yasmina & Tekaya, Saïda', 5],
    ['Baturina, Maria A. & Kaygorodova, Irina A. & Loskutova, Olga A.', 10],
    ['Burreson, Eugene M.', 5],
    ['Darabi-Darestani, Kaveh & Sari, Alireza & Sarafrazi, Alimorad', 7],
    ['Fedorova, Lyudmila I. & Kaygorodova, Irina A.', 10],
    ['Grosser, Clemens & Pešić, Vladimir & Gligorović, Bogić', 12],
    ['Harding, W. A.', 5],
    ['Jueg, Uwe & Zettler, Michael L.', 6],
    ['Kaygorodova, Irina A.', 18],
    ['Madill, Jacqueline & Hovingh, Peter', 4],
    ['Oceguera-Figueroa, Alejandro & Kvist, Sebastian', 10],
    ['Oka, Asajiro', 13],
    ['Paredes-León, Ricardo & García-Prieto, Luis', 6],
    ['Schenková, Jana & Sychra, Jan & Košel, Vladimír & Kubová, Nela', 15],
    ['Šatkauskienė, Ingrida & Rutkauskaitė-Sucilienė, Jurgita', 5],
    ['Other (68)', 95]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=226)',
    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);