function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Chen, Lixuan & Mao, Shaoli & Chang, Yanlin', 2],
    ['Cui, Peng & Liu, Qing & Shi, Fuming', 2],
    ['Di, Juan-Xia & Han, Li & Mao, Shao-Li & Shi, Fu-Ming', 3],
    ['Feng, Jiyuan & Chang, Yanlin & Shi, Fuming', 6],
    ['Feng, Jiyuan & Shi, Fuming & Mao, Shaoli', 1],
    ['Gorochov, A. V.', 9],
    ['JIAO, JIAO & SHI, FU-MING & GAO, JIA-GUO', 2],
    ['Jiao, Jiao & Chang, Yan-Lin & Shi, Fu-Ming', 6],
    ['Jin, Xingbao & Liu, Xianwei & Wang, Hanqiang', 1],
    ['Lin, Chang Yan & Xia, Su Cai & Ming, Shi Fu', 2],
    ['Liu, Jing & Chen, Po-Wei & Wang, Tao & Chang, Yan-Lin', 3],
    ['Nagar, Rajendra & Swaminathan, Rajamani & Meena, Ashok Kumar', 2],
    ['Shi, Fu-Ming & Bai, Jin-Rong & Zhang, Ying & Chang, Yan-Lin', 4],
    ['Su, Jie & Duan, Yanhao & Liu, Qing & Chang, Yanlin', 2],
    ['Wang, Hanqiang & Jing, Jun & Liu, Xianwei & Li, Kai', 21],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=69)',
    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);