function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ballarin, Francesco & Eguchi, Katsuyuki', 7],
    ['Chen, Hui-Ming & Jia, Qiang & Wang, Shi-Jie', 11],
    ['Dean, David Allen', 21],
    ['Irie, Teruo & Ono, Hirotsugu', 13],
    ['Komatsu, Toshihiro', 5],
    ['Lan, Tianqi & Zhao, Zhe & Kim, Seung Tae & Yoo, Jung Sun', 7],
    ['Ledford, Joel & Paquin, Pierre & Cokendolpher, James', 20],
    ['Ledford, Joel M. & Griswold, Charles E.', 8],
    ['Lin, Yejie & Zhao, Huifeng & Koh, Joseph K H & Li, Shuqiang', 6],
    ['Lin, Yucheng & Li, Shuqiang', 33],
    ['Liu, Bin-Lu & Yao, Yan-bin & Jiang, Zi-Min & Xiao, Yong-hong', 11],
    ['Oh, Jong-Hwa & Lee, Seunghwan', 7],
    ['Tong, Yanfeng & Li, Shuqiang', 8],
    ['Wang, Chunxia & Li, Shuqiang', 30],
    ['Zhu, Wenhui & Li, Shuqiang', 7],
    ['Other (9)', 23]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=217)',
    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);