function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Lu, Lin & Webb, Mick & Zhang, Yalin', 5],
    ['Shang, Suqin & Webb, M. D. & Zhang, Yalin', 2],
    ['Shang, Suqin & Zhang, Yalin & Shen, Lin', 6],
    ['Viraktamath, C. A. & Webb, M. D. & Yeshwanth, H. M.', 11],
    ['Wang, Jia-Jia & Qu, Ling & Xing, Ji-Chun & Dai, Ren-Huai', 6],
    ['Xu, Deliang & Zhang, Yalin', 9],
    ['Yu, Zhou & Webb, Mick & Dai, Ren-huai & Yang, Mao-fa', 3],
    ['Zahniser, James N. & Dietrich, Chris H.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=43)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 8, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);