function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Boulenger, George Albert', 28],
    ['Fowler, Henry Weed', 8],
    ['Hilton, Eric J. & Lavoué, Sébastien', 7],
    ['John P. Sullivan & Carl D. Hopkins', 14],
    ['Kramer, Bernd & Bank, Herman van der & Wink, Michael', 15],
    ['Kramer, Bernd & Bills, Roger & Skelton, Paul & Wink, Michael', 25],
    ['Kramer, Bernd & Skelton, Paul & Bank, Herman Van Der', 10],
    ['Kramer, Bernd & Wink, Michael', 8],
    ['Laan, Richard Van Der', 8],
    ['Laan, Richard Van Der & Eschmeyer, William N. & Fricke, Ronald', 7],
    ['Lavoué, Sébastien & Sullivan, John P. & Arnegard, Matthew E.', 12],
    ['Pellegrin, J.', 12],
    ['Peters, Wilhelm Carl Hartwig', 7],
    ['Poll, M.', 10],
    ['Rich, Madeline & Sullivan, John P. & Hopkins, Carl D.', 7],
    ['Other (66)', 132]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=310)',
    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);