function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alakananda, B. & Mahesh, M. K. & Hamilton, Paul B. & Supriya, G.', 2],
    ['Bullard, Stephen A. & Payne, Raphael R. & Braswell, Jeffrey S.', 2],
    ['Chisholm, Leslie A. & Whittington, Ian D.', 12],
    ['Deveney, Marty R. & Whittington, Ian D.', 6],
    ['Ferreira da Silva, Juliana & Oliveira, Maria Angélica', 7],
    ['Kearn, Graham C. & Whittington, Ian D. & Evans-Gowing, Richard', 19],
    ['Kohn, Anna & Justo, Márcia C. N.', 2],
    ['Lopes, Daniela A. & Mainenti, Adriana & Sanches, Magda', 5],
    ['Mendoza-Garfias, Berenit & García-Prieto, Luis', 28],
    ['Muniz-Pereira, Luís C. & Vieira, Fabiano M. & Luque, José L.', 4],
    ['Novis, Phil M. & Braidwood, Jasmine & Kilroy, Cathy', 2],
    ['Olszynski, Rafal M. & Zakrzewski, Piotr K. & Rimet, Frederic', 3],
    ['Stimpson, William', 2],
    ['Whittington, I. D. & Deveney, M. R. & Wyborn, S. J.', 24],
    ['Whittington, Ian D.', 5],
    ['Other (7)', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=130)',
    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);