function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Calabon, Mark S. & Jones, E. B. Gareth & Pang, Ka-Lai', 2],
    ['Erandi Yasanthika, W. A. & Tennakoon, Danushka S.', 2],
    ['Ganeshalingam, Archchana & Daranagama, Dinushani A.', 1],
    ['He, Jiao & Li, De-Wei & Cui, Wen-Li & Huang, Lin', 7],
    ['He, Lin & Cheng, Hong & Zhao, Lin & Htun, Aye Aye & Yu, Zhi He', 2],
    ['Huang, Cheng Xin & Liu, Feng Yin & Gou, Ya Nan & Deng, Jian Xin', 1],
    ['Iturrieta-Gonzalez, Isabel & Gene, Josepa & Wiederhold, Nathan', 3],
    ['Liang, Yin & Ran, Shuang-Fei & Bhat, Jayarama & Hyde, Kevin D.', 1],
    ['Nwe, Zin Mar & Htut, Khin Nayyi & Aung, Sein Lai Lai', 3],
    ['Pacheco, R. C. & Silva, D. D. & Mendes, S. M. & Lima, K. P.', 1],
    ['Poursafar, Alireza & Hashemlou, Esmaeil & Ghosta, Youbert', 1],
    ['Tan, Yu Pei & Crous, Pedro W. & Shivas, Roger G.', 14],
    ['Tibell, Sanja & Tibell, Leif & Pang, Ka-Lai', 3],
    ['Tibpromma, Saowaluck & Hyde, Kevin D. & Bhat, Jayarama D.', 2],
    ['Wijayawardene, Nalin N. & Dai, Dong-Qin & Premarathne, Bhagya M.', 8],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=53)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);