function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 35],
    ['Bariche, Michel & Fricke, Ronald', 14],
    ['Bath, Hans', 13],
    ['Bleeker, Pieter', 28],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 18],
    ['Fowler, Henry Weed', 16],
    ['Golani, Daniel & Bogorodsky, Sergey V.', 9],
    ['Herre, Albert W. C. T.', 10],
    ['Linnaeus, Carolus', 14],
    ['Rafinesque, Constantine Samuel', 8],
    ['Smith-Vaniz, William F.', 16],
    ['Smith-Vaniz, William F. & Allen, Gerald R.', 12],
    ['Springer, Victor G.', 35],
    ['Victor G. Springer & Gerald R. Allen', 20],
    ['Whitley, Gilbert P.', 14],
    ['Other (156)', 331]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=593)',
    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);