function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Anichtchenko, Alexander V. & Shavrin, Alexey V.', 1],
    ['Bahder, Brian W. & Myrie, Wayne & Helmick, Ericka E.', 3],
    ['Constant, Jerome & Pham, Thai-Hong & Le, Cuong Viet Canh', 4],
    ['E, Werner & M, Atlas & P, Western', 5],
    ['Eyles, Alan C. Dr. & Linnavuori, Rauno E.', 1],
    ['Gnezdilov, V. M.', 9],
    ['Gnezdilov, Vladimir M.', 12],
    ['Gnezdilov, Vladimir M. & Constant, Jérôme', 7],
    ['Gnezdilov, Vladimir M. & López, Heriberto & Suárez, Daniel', 3],
    ['Gnezdilov, Vladimir M. & Mozaffarian, Fariba', 18],
    ['Gnezdilov, Vladimir M. & O’Brien, Lois B.', 13],
    ['Gnezdilov, Vladimir M. & Wilson, Michael R.', 1],
    ['Kirkaldy, George Willis', 1],
    ['Meng, Rui & Wang, Menglin & Wang, Yinglun', 13],
    ['Serrano-Herrera, Adela & Espinosa-Sanchez, Juan Manuel', 2],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=96)',
    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);