function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bott, Nathan J. & Cribb, Thomas H.', 5],
    ['Bott, Nathan J. & Miller, Terrence L. & Cribb, Thomas H.', 5],
    ['Durio, Walter O. & Manter, Harold W.', 2],
    ['Gupta, P. C. & Gupta, V. C.', 3],
    ['Komiya, Y. & Tajimi, T.', 2],
    ['Manter, Harold W.', 8],
    ['McFarlane, S. Hanford', 2],
    ['Muniz-Pereira, Luís C. & Vieira, Fabiano M. & Luque, José L.', 2],
    ['Odhner, T.', 2],
    ['Siddiqi, Ather H. & Cable, Raymond M.', 2],
    ['Srivastava, H. D.', 2],
    ['Truong, Thuong Van & Palm, Harry W. & Bui, Te Quang', 4],
    ['Velasquez, Carmen C.', 3],
    ['Wang, P. - q.', 5],
    ['Yamaguti, S.', 9],
    ['Other (27)', 27]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=83)',
    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);