function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bai, Haiyan & Xu, Jiasheng & Dai, Xiaohua', 6],
    ['Eiseman, Charles S. & Davis, Donald R.', 2],
    ['Jarvis, Charlie', 2],
    ['Kirichenko, Natalia & Triberti, Paolo & Akulov, Evgeniy', 1],
    ['Linnaeus, Carolus', 2],
    ['Prins, Jurate De & Kawahara, Akito Y.', 22],
    ['Telfer, Angela C & Young, Monica R & Quinn, Jenna & Perez, Kate', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=36)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 7, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);