function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aguin-Pombo, Dora & Freitas, Carlos', 3],
    ['Evans, J. W.', 3],
    ['Eyles, Alan C. Dr. & Linnavuori, Rauno E.', 2],
    ['Hossain, Md. Shamim & Kwon, Jin Hyung & Suh, Sang Jae', 5],
    ['Liu, Y. & Qin, D. Z. & Fletcher, M. J. & Zhang, Y. L.', 8],
    ['Liu, Yang & Qin, Dao-Zheng & Fletcher, Murray J. & Zhang, Ya-Lin', 47],
    ['Metcalf, Z. P.', 9],
    ['Mozaffarian, Fariba', 2],
    ['Mozaffarian, Fariba & Wilson, Michael R.', 4],
    ['Qin, Dao-Zheng & Zhang, Ya-Lin', 4],
    ['Southern, Phillip Sterling', 16],
    ['Telfer, Angela C & Young, Monica R & Quinn, Jenna & Perez, Kate', 3],
    ['Wang, Yi-Mei & Xu, Ye & Dmitriev, Dmitry A.', 2],
    ['Yu, Xiaofei & Yang, Maofa', 3],
    ['Zhang, Ya-Lin & Liu, Yang & Qin, Dao-Zheng', 20],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=136)',
    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);