function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Brescovit, Antonio Domingos & Gallão, Jonas Eduardo', 2],
    ['Chen, Hui-Ming & Zhu, Ming-Sheng', 2],
    ['Dupérré, Nadine & Tapia, Elicio', 2],
    ['Jocqué, Rudy & Jocque, Merlijn & Mbende, Menard', 2],
    ['Lin, Yejie & Zhao, Huifeng & Koh, Joseph K H & Li, Shuqiang', 2],
    ['Lin, Yucheng & Li, Shuqiang', 19],
    ['Lin, Yucheng & Pham, Dinh-Sac & Li, Shuqiang', 2],
    ['Song, Yang & Zhao, Huifeng & Luo, Yufa & Kioko, Grace M.', 4],
    ['Song, Yang & Zhao, Huifeng & Luo, Yufa & Li, Shuqiang', 10],
    ['Tong, Yanfeng & Li, Shuqiang', 10],
    ['Wang, Chunxia & Li, Shuqiang', 17],
    ['Yang, Kuiwen & Zhao, Huifeng & Bai, Shuchong & Tong, Yanfeng', 2],
    ['Zhao, Huifeng & Dinh-Sac, Pham & Song, Yang & Do, Thi-Duyen', 8],
    ['Zhao, Huifeng & Li, Shuqiang & Zhang, Aibing', 78],
    ['Zhao, Huifeng & Yao, Zhiyuan & Song, Yang & Li, Shuqiang', 14],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=176)',
    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);