function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Allen, Gerald R. Dr. & Starck, Walter A.', 1],
    ['Anderson, William D.', 2],
    ['Anderson, William D. & Heemstra, Phillip C.', 2],
    ['Bariche, Michel & Fricke, Ronald', 1],
    ['Bleeker, Pieter', 4],
    ['Bloch, Marcus Elieser & Schneider, J. G.', 2],
    ['Bonaparte, Charles Lucien', 1],
    ['Boulenger, George Albert', 1],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 1],
    ['Carvalho-Filho, Alfredo & L. Ferreira, Carlos E.', 1],
    ['Curtiss, A.', 13],
    ['Gill, Anthony C. & Russell, Barry C.', 2],
    ['Günther, Albert Charles Lewis Gotthilf', 2],
    ['Hilgendorf, F. M.', 2],
    ['William D. Anderson, Jr.', 10],
    ['Other (25)', 25]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=70)',
    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);