function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Badli-Sham, Baizul Hafsyam & Syafiq, Muhamad Fatihah', 1],
    ['Dinesh, K. P. & Vijayakumar, S. P. & Channakeshavamurthy, B. H.', 2],
    ['Figueroa, Alex & Low, Martyn E. Y. & Lim, Kelvin K. P.', 2],
    ['Garg, Sonali & Biju, S. D.', 5],
    ['Hakim, Jonathan & Trageser, Scott J. & Ghose, Animesh', 1],
    ['Howlader, Mohammad Sajid Ali', 1],
    ['Kaiser, Hinrich & Carvalho, Venancio Lopes & Ceballos, Jester', 1],
    ['Mulcahy, Daniel G. & Lee, Justin L. & Miller, Aryeh H.', 2],
    ['O, Kyle A. & Connell & Aryal, Prakash C. & Sherchan, Adarsh M.', 1],
    ['Prasad, Vishal Kumar & Gautam, Kumudani Bala', 1],
    ['Raj, Prudhvi & Dinesh, K. P. & Das, Abhijit & Dutta, Sushil K.', 2],
    ['Teynié, Alexandre & David, Patrick & Ohler, Annemarie', 2],
    ['Yodthong, Siriporn & Stuart, Bryan L. & Aowphol, Anchalee', 2],
    ['Zijia, Hong & Anuar, Shahrul & Grismer, L. Lee', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=24)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);