function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Chinh, Vu Tien & Dinh, Dien & Le, Tuan Anh & Doan, Quoc Tuan', 1],
    ['Deng, Chuang-Fa & Wu, Lei & Yu, Xun-Lin & Xu, Yong-Fu', 2],
    ['Ding, Tao & Pan, Bo & Lin, Chun-Rui', 1],
    ['Hu, Ren-Chuan & Shen, Xiao-Lin & Liu, Jing & Lin, Chun-Rui', 1],
    ['Huang, Xue-Yan & Peng, Yu-De & Nong, Dong-Xin & Huang, Bao-You', 1],
    ['Kalyuzhny, Sergey S. & Vislobokov, Nikolay A. & Luu, Hong Truong', 1],
    ['Lin, Chun-Rui & Xu, Wei-Bin & Huang, Yu-Song & Wang, Bing-Mou', 4],
    ['Lu, Chang-Tse & Yang, Ming-Jen & Luo, Min-Xin & Wang, Jenn-Che', 1],
    ['Lý, Ng ọc-Sâm & Nguyen, Khang Sinh & Hoàng, Thanh-Sơn', 1],
    ['Meng, Tao & Lu, Mao-Xin & Huang, Xue-Yu & Lin, Chun-Rui', 1],
    ['Meng, Tao & Yang, Jin-Cai & Tang, Wen-Xui & Pan, Bo', 1],
    ['Mille, Christian & Henderson, Rosa C. & Cazères, Sylvie', 1],
    ['Nuraliev, Maxim S. & Romanov, Mikhail S. & Drokina, Victoria G.', 2],
    ['Peng, Cai-Xia & Dai, Ke-Yuan & Li, Yuan-Qiu & Tong, Yi-Hua', 1],
    ['Vislobokov, Nikolay A. & Sokoloff, Dmitry D.', 3],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=25)',
    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);