function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['El-Hawagry, Magdi S. & Zatwarnicki, Tadeusz & Ebrahim, Ayman M.', 3],
    ['Gornostaev, N. G.', 4],
    ['Gornostaev, N. G. & Kulikov, A. M.', 4],
    ['Gornostaev, N. G. & Kulikov, A. M. & Sorokina, S. Yu.', 5],
    ['Gornostaev, N. G. & Lyupina, Yu. V.', 6],
    ['Gornostaev, N. G. & Sorokina, S. Yu.', 6],
    ['Hackman, Walter', 4],
    ['Ivannikov, A. V. & Katokhin, A. V. & Sidorenko, V. S.', 4],
    ['Jens-H', 5],
    ['O’Grady, Patrick & Bonacum, James & Desalle, R.', 5],
    ['O’Grady, Patrick M. & Bonacum, James & DeSalle, Rob', 3],
    ['Rampasso, Augusto Santos & O’Grady, Patrick Michael', 274],
    ['Sinclair, Bradley J.', 3],
    ['Tidon, Rosana & Almeida, Jonathan Mendes De', 15],
    ['Toda, Masanori J. & Sidorenko, Vasily S. & Watabe, Hide-aki', 2],
    ['Other (7)', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=350)',
    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);