function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Blakemore, Robert J.', 10],
    ['Blakemore, Robert J. & Kingston, T.', 2],
    ['Chen, Jing & Xie, Zhicai & He, Shunping', 2],
    ['Dumnicka, Elżbieta', 1],
    ['Fend, Steven V. & Lenat, David R.', 3],
    ['Ishizuka, Kotaro', 47],
    ['Martin, Patrick & Ferraguti, M. & Kaygorodova, Irina A.', 2],
    ['Nguyen, Tung T. & Nguyen, Anh D. & Tran, Binh T. T.', 78],
    ['Nguyen, Tung T. & Trinh, Binh K. T. & Le, Nhan V.', 2],
    ['Pinder, Adrian M. & Brinkhurst, Ralph O.', 2],
    ['Shen, Huei-Ping & Chang, Chih-Han & Chih, Wen-Jay', 3],
    ['Sherlock, Emma & Lee, Stewart & Mcphee, Sally & Steer, Mark', 3],
    ['Steven & Fend, V.', 8],
    ['Xie, Zhicai & Liang, Yanling & Wang, Hongzhu', 2],
    ['Zhang, Junqian & Lu, Yajing & Xie, Zhicai', 2],
    ['Other (4)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=171)',
    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);