function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['El-Hawagry, Magdi S.', 13],
    ['Elena P. Kameneva & Valery A. Kroneyev', 35],
    ['Evenhuis, Neal L. & O’Hara, James E. & Pape, Thomas', 11],
    ['Galinskaya, Tatiana V.', 24],
    ['Harym, Younes El & Korneyev, Valery', 15],
    ['Kameneva, E. P. & Korneyev, V. A.', 11],
    ['Kameneva, E. P. & Korneyev, V. A. & Ramos-Pastrana, Y.', 27],
    ['Kameneva, Elena P.', 19],
    ['Kovac, D. & Kameneva, E. P. & Korneyev, V. A.', 15],
    ['Morgulis, E. & Freidberg, A.', 14],
    ['Morgulis, Elizabeth', 10],
    ['O’Hara, James E. & Cerretti, Pierfilippo & Pape, Thomas', 7],
    ['Sforzi, Alessandra & Sommaggio, Daniele', 12],
    ['Sinclair, Bradley J.', 20],
    ['Sinclair, Bradley J. & Macleod, Alyssa M. & Wheeler, Terry A.', 10],
    ['Other (20)', 53]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=296)',
    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);