function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ahyong Kumejima, Shane T.', 9],
    ['Ahyong, Shane T.', 17],
    ['Ahyong, Shane T. & Erdmann, Mark V.', 2],
    ['Almeida, Alexandre Oliveira De & Guerrazzi, Maria Cec Lia', 1],
    ['Brokensha, Rouane & Landschoff, Jannes & Griffiths, Charles', 2],
    ['Costa, Dimitri de Araujo & Dolbeth, Marina & Prata, Jessica', 2],
    ['Moosa, Mohammad Kasim', 1],
    ['Padate, Vinay P. & Ahyong, Shane T. & Shaji, Aleesha K.', 2],
    ['Salgado-Barragán, José & Hendrickx, Michel E.', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=40)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 9, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);