function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barreto, Mauricio & Burbano, María E. & Proctor, Heather C.', 13],
    ['Eren, Gökhan & Öztürk, Mehmet & Mironov, Sergey V.', 1],
    ['HALLIDAY, R. B.', 52],
    ['Hernandes, Fabio A. & Mironov, Sergey V.', 8],
    ['Hernandes, Fabio Akashi', 1],
    ['LIU, DONG & YI, TIAN-CI & XU, YUN & ZHANG, ZHI-QIANG', 1],
    ['Mironov, S. V. & Dabert, J. & Ehrnsberger, R.', 5],
    ['Mironov, Sergey V. & Dabert, Jacek', 11],
    ['Mironov, Sergey V. & Ehrnsberger, Rainer & Dabert, Jacek', 5],
    ['Mironov, Sergey V. & Hernandes, Fabio A.', 8],
    ['Perez-Gelabert, Daniel E.', 1],
    ['Robin, C. P. & Megnin, J. P.', 2],
    ['Waki, Tsukasa & Nishiumi, Isao & Shimano, Satoshi', 1],
    ['Waki, Tsukasa & Sasaki, Mizuki & Matsubara, Hajime', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=110)',
    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);