function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Angulo, Arturo', 5],
    ['Angulo, Arturo & Betts, Joel T. & González-Alemán, Néstor J.', 3],
    ['Bleeker, Pieter', 3],
    ['Fowler, Henry Weed', 3],
    ['Geevarghese, C. & John, P. A.', 1],
    ['Herre, Albert W. C. T.', 12],
    ['Ho, Hsuan-Ching & Shao, Kwang-Tsao', 1],
    ['Hora, S. L.', 1],
    ['Jordan, David Starr', 1],
    ['Jordan, David Starr & Snyder, John Otterbein', 2],
    ['Liu, C. K.', 1],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 1],
    ['Smith, H. M.', 1],
    ['Smith, J. L. B.', 2],
    ['Whitley, Gilbert P.', 1],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=40)',
    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);