function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bodner, L. & Freidberg, A.', 16],
    ['Buffington, Matthew L. & Noort, Simon van', 7],
    ['Chen, Xiaolin & Whittington, Andrew E.', 3],
    ['El-Hawagry, Magdi S.', 4],
    ['Evenhuis, Neal L. & O’Hara, James E. & Pape, Thomas', 5],
    ['Galinskaya, Tatiana V. & Shatalkin, Anatole I.', 5],
    ['Harym, Younes El & Korneyev, Valery', 3],
    ['Loew, Hermann', 15],
    ['Mailoch, J. R.', 7],
    ['McAlpine, D. K.', 10],
    ['McAlpine, David K.', 20],
    ['Mcalpine, David K.', 4],
    ['O’Hara, James E. & Cerretti, Pierfilippo & Pape, Thomas', 4],
    ['Sforzi, Alessandra & Sommaggio, Daniele', 13],
    ['Spix, J. B. von & Agassiz, Jean Louis Rodolphe', 4],
    ['Other (24)', 31]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=151)',
    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);