function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Caruso, John H. & Suttkus, R. D.', 1],
    ['Ho, Hsuan-Ching & Bineesh, K. K. & Akhilesh, K. V.', 1],
    ['Ho, Hsuan-Ching & Lin, Chien-Hsiang', 2],
    ['Ho, Hsuan-Ching & Shao, Kwang-Tsao', 1],
    ['Ho, Hsuan-Ching & Séret, Bernard & Shao, Kwang-Tsao', 1],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 2],
    ['Peter R. Last & Daniel C. Gledhill & Bronwyn H. Holmes', 1],
    ['Radcliffe, L.', 1],
    ['Saruwatari, Toshiro & Mochizuki, K.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=11)',
    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);