function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Chatzaki, Maria & Keer, Johan Van', 1],
    ['Dean, David Allen', 2],
    ['Lin, YeJie & Li, Shuqiang', 3],
    ['Marusik, Yuri M. & Fomichev, Alexander A.', 8],
    ['Marusik, Yuri M. & Omelko, Mikhail M.', 6],
    ['Ponomarev, Alexandr V.', 1],
    ['Russell-Smith, Anthony', 1],
    ['Sankaran, Pradeep M. & Caleb, John T. D.', 1],
    ['Sankaran, Pradeep M. & Sebastian, Pothalil A.', 2],
    ['Sherwood, Danniella & Marusik, Yuri M. & Sharp, Adam', 1],
    ['ZONSTEIN, SERGEI & MARUSIK, YURI M.', 1],
    ['Zamani, Alireza & Chatzaki, Maria & Esyunin, Sergei L.', 1],
    ['Zamani, Alireza & Darvishnia, Hamid & Marusik, Yuri M.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=29)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 13, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);