function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ballarin, Francesco & Yamasaki, Takeshi & Su, Yong-Chao', 2],
    ['Dupérré, Nadine & Tapia, Elicio', 12],
    ['Feng, Chengcheng & Lin, Yucheng', 5],
    ['Guo, Mingxia & Xing, Lida & Wang, Bo & Zhang, Weiwei', 5],
    ['Lin, Yejie & Li, Shuqiang & Mo, Haolin & Wang, Xihao', 4],
    ['Lin, Yejie & Zhao, Huifeng & Koh, Joseph K H & Li, Shuqiang', 2],
    ['Lin, Yucheng & Li, Shuqiang & Jaeger, Peter', 2],
    ['Lopardo, Lara & Hormiga, Gustavo', 3],
    ['Miller, Jeremy & Griswold, Charles & Yin, Chang', 17],
    ['Prete, Pedro H. & Cizauskas, Igor & Brescovit, Antonio D.', 7],
    ['Suzuki, Yuya & Hiramatsu, Takehisa & Tatsuta, Haruki', 9],
    ['Yang, Weicheng & Yu, Hao & Lin, Yucheng', 6],
    ['Zhang, Jianshuang & Feng, Chengcheng & Yu, Hao & Lin, Yucheng', 11],
    ['Zhang, Jianshuang & Yu, Hao & Lin, Yucheng', 4],
    ['Zhao, Qingyuan & Li, Shuqiang', 11],
    ['Other (8)', 9]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=109)',
    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);