function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Evans, Kory M. & Crampton, William G. R. & Albert, James S.', 9],
    ['Ferraris, Carl J. & Jr & Santana, Carlos David de', 6],
    ['Godoy, M. P.', 1],
    ['Lundberg, John G. & Cox Fernandes, C. & Campos-da-Paz, R.', 2],
    ['Maxwell J. Bernt & James S. Albert', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=19)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 5, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);