function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Akhilesh, K. V. & Bineesh, K. K. & Shanis, C. P. R.', 2],
    ['Chu, Y. - T. & Meng, Q. - W. & Hu, A. - S. & Li, S.', 1],
    ['Ebert, David A. & Clerkin, Paul', 1],
    ['Ebert, David A. & White, William T. & Ho, Hsuan-Ching', 1],
    ['Ebert, David A. & Wintner, Sabine P. & Kyne, Peter M.', 3],
    ['Fowler, Henry Weed', 1],
    ['Springer, S.', 1],
    ['Séret, B.', 1],
    ['Talwar, P. K.', 1],
    ['White, William T. & Last, Peter R. & Stevens, John D.', 2],
    ['William T. White & Peter R. Last & John D. Stevens', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=20)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);