function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Hajong, Sudhanya Ray & Yaakop, Salmah', 2],
    ['Lee, Young June', 11],
    ['Lee, Young June & Marshall, David C. & Mohagan, Alma', 2],
    ['Lee, Young June & Marshall, David C. & Mohagan, Alma B.', 4],
    ['Price, Benjamin Wills & Allan, Elizabeth Louise & Marathe, Kiran', 16],
    ['Sanborn, Allen F. & Phillips, Polly K. & Sites, Robert W.', 15],
    ['Xian, Chunlan & Leong, Chi Man & Luo, Jiuyang & Jia, Fenglong', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=51)',
    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);