function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Allen, Gerald R. & Unmack, Peter J. & Hadiaty, Renny K.', 1],
    ['Allen, Gerald R. Dr. & Ivantsoff, Walter', 1],
    ['Allen, Gerald R. Dr. & Renyaan, S. J.', 1],
    ['Allen, Gerald R. Dr. & Sarti, N.', 1],
    ['Ivantsoff, Walter & Allen, Gerald R. Dr.', 1],
    ['Kner, R.', 1],
    ['Nichols, J. T.', 1],
    ['Roberts, Tyson R.', 1],
    ['Weber, M.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=9)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 9, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);