function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alberto T. Barrion & Aimee Lynn A. Barrion-Dupo', 1],
    ['Li, Song-Lin & Liu, Ping & Peng, Xian-Jin', 4],
    ['Lin, Yejie & Li, Shuqiang & Pham, Dinh-Sac', 2],
    ['Lin, Yejie & Wu, Lingbing & Cai, Ducheng & Li, Shuqiang', 1],
    ['Ono, Hirotsugu', 1],
    ['Sankaran, Pradeep M.', 3],
    ['Thorell, Tord Tamerlan Teodor', 1],
    ['Wang, Wei & Lin, Yejie & Zhang, Xiaoqing & Chu, Chang', 2],
    ['Zhang, Bao-Shi & Zhang, Feng', 7],
    ['Zhang, Bao-Shi & Zhang, Feng & Jia, Xiao-Mei', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=25)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);