function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aguin-Pombo, Dora & Freitas, Carlos', 13],
    ['Bartlett, Charles R.', 18],
    ['Emeljanov, Alexandr F.', 13],
    ['Fieber, F. X.', 12],
    ['Gjonov, Ilia', 11],
    ['Hou, Xiao-Hui & Chen, Xiang-Sheng', 12],
    ['Kirkaldy, George Willis', 19],
    ['Li, Hong-Xing & Chen, Xiang-Sheng & Yang, Lin', 18],
    ['Liang, Ai-Ping', 10],
    ['Metcalf, Z. P.', 12],
    ['Muir, F.', 26],
    ['Qin, Dao-Zheng & Zhang, Ya-Lin', 20],
    ['Swezey, O. H.', 13],
    ['Wallner, Adam M. & Bartlett, Charles R.', 14],
    ['Weglarz, Kathryn M. & Bartlett, Charles R', 26],
    ['Other (60)', 158]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=395)',
    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);