function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aubrey G. Scarbrough & Daniel E. Perez-Gelabert', 24],
    ['Dennis, D. Steve & Barnes, Jeffrey K. & Knutson, Lloyd', 6],
    ['Estrada, Alejandro & Nápoles, Jesús Romero', 2],
    ['Evenhuis, Neal L.', 1],
    ['Lavigne, Robert J. & Dennis, D. Steve', 1],
    ['Lavigne, Robert J. & Dennis, Steve', 1],
    ['Scarbrough, Aubrey G. & Perez-Gelabert, Daniel E.', 25],
    ['Smit, John T.', 2],
    ['Vieira, Rodrigo & Camargo, Alexssandro & Pollet, Marc', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=63)',
    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);