function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Baumann, Richard W. & Kondratieff, Boris C.', 3],
    ['Baumann, Richard W. & Stark, Bill P.', 2],
    ['Earle, Jane I.', 3],
    ['Grubbs, Scott A. & Baumann, Richard W.', 5],
    ['Grubbs, Scott A. & Pessino, Massimo & DeWalt, R. Edward', 2],
    ['Judson, Sarah W. & Nelson, C. Riley', 5],
    ['Li, Weihai & Wang, Rongfeng', 1],
    ['Li, Wenliang & Wang, Yingying & Wang, Ying & Li, Weihai', 1],
    ['Ray, Donald H. & Abad, Rick L. & Rasmussen, Andrew K.', 1],
    ['Ray, Donald H. & Rasmussen, Andrew K. & Peters, Janice G.', 1],
    ['Stark, Bill P. & Kondratieff, Boris C.', 9],
    ['Tarter, Donald C. & Chaffee, Dwight L. & Grubbs, Scott A.', 1],
    ['Willett, Michele R. & Stark, Bill P.', 14],
    ['Zhang, Yao & Wang, Bingli & Yao, Gang & Li, Wenliang', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=51)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);