function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Hershler, Robert & Liu, Hsiu-Ping', 7],
    ['Hershler, Robert & Liu, Hsiu-Ping & Babbitt, Caitlin', 3],
    ['Hershler, Robert & Liu, Hsiu-Ping & Bradford, Corbin', 5],
    ['Hershler, Robert & Liu, Hsiu-Ping & Forsythe, Cynthia', 3],
    ['Hershler, Robert & Ratcliffe, Victoria & Liu, Hsiu-Ping', 3],
    ['Perez, Kathryn E. & Hutchins, Benjamin T. & Solis, Megan', 1],
    ['Perez, Kathryn E. & Leal, Manuel Spor & Glover, Houston', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=24)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 7, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);