function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 1],
    ['Bañon, Rafael & Arronte, Juan Carlos', 1],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 11],
    ['Fowler, Henry Weed', 4],
    ['Johnson, J. Y.', 1],
    ['Johnson, R. K. & Cohen, Daniel M.', 1],
    ['Laan, Richard Van Der & Eschmeyer, William N. & Fricke, Ronald', 1],
    ['Lloyd, R. E.', 1],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 4],
    ['Lütken, Christian Frederik', 1],
    ['Marcelo R. S. Melo & H. J. Walker, Jr. & Cynthia Klepadlo', 16],
    ['Melo, Marcelo R. S.', 33],
    ['Melo, Marcelo R. S. & Klepadlo, Cynthia', 2],
    ['Norman, J. R.', 2],
    ['Parr, A. E.', 2],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=83)',
    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);