function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['El-Hawagry, Magdi S. & Abdel-Dayem, Mahmoud S.', 2],
    ['El-Hawagry, Magdi S. & Sharaf, Mostafa R. & Al Dhafer, Hathal M.', 1],
    ['Evenhuis, Neal L. & O’Hara, James E. & Pape, Thomas', 1],
    ['Kurahashi, Hiromu & Kirk-Spriggs, Ashley H.', 2],
    ['Macquart, Pierre Justin Marie', 2],
    ['Pont, Adrian C.', 12],
    ['Rognes, Knut', 6],
    ['Rognes, Terry Whitworth With An Appendix By Knut', 2],
    ['Schlüsslmayr, Gerhard', 4],
    ['Sforzi, Alessandra & Sommaggio, Daniele', 3],
    ['Sinclair, Bradley J.', 3],
    ['Tantawi, Tarek I. & Whitworth, Terry', 4],
    ['Whitworth, Terry', 36],
    ['Wolff, Marta & Kosmann, Cecilia', 8],
    ['Yang, Shih-Tsai & Kurahashi, Hiromu & Shiao, Shiuh-Feng', 9],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=100)',
    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);