function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['D. MORITZ WAGNER', 1],
    ['Dean, David Allen', 7],
    ['Decae, Arthur & Mammola, Stefano & Rizzo, Pierluigi', 4],
    ['Decae, Arthur E. & Schwendinger, Peter J.', 6],
    ['Dupérré, Nadine & Tapia, Elicio', 2],
    ['Engelbrecht, Ian & Prendini, Lorenzo', 2],
    ['Haddad, Charles R. & Marusik, Yuri M.', 1],
    ['Hendrixson, Brent E. & Bond, Jason E.', 1],
    ['Pocock, Reginald Innes', 2],
    ['Siliwal, Manju & Kananbala, A. & Bhubaneshwari, M.', 2],
    ['Tso, I-Min & Haupt, Joachim & Zhu, Ming-Sheng', 9],
    ['Xu, Xin & Xu, Chen & Li, Fan & Pham, Dinh Sac & Li, Daiqin', 4],
    ['Xu, Xin & Xu, Chen & Liu, Fengxiang & Zhang, Zengtao', 5],
    ['Yang, Zizhong & Xu, Xin', 3],
    ['Yu, Kun & Zhang, Zhi-Sheng', 5],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=56)',
    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);