function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Baker, William J.', 1],
    ['Baker, William J. & Bayton, Ross P. & Dransfield, John', 2],
    ['Baker, William J. & Dransfield, John', 17],
    ['Beccari, Odoardo', 6],
    ['Burret, Max', 17],
    ['Dransfield, John & Baker, William J.', 1],
    ['Gibbs, Lilian Suzette', 3],
    ['Henderson, Andrew & Dung, Nguyen Quoc', 8],
    ['Jarvis, Charlie', 1],
    ['Linnaeus, Carolus', 1],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 1],
    ['Mehmud, Selim & Roy, Himu', 18],
    ['Ridley, Henry Nicholas', 2],
    ['Wijayawardene, Nalin N. & Dai, Dong-Qin & Premarathne, Bhagya M.', 2],
    ['Zarco Perello, Salvador & Moreno Mendoza, Rigoberto', 2],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=85)',
    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);