function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['García, Mauricio', 12],
    ['Gustafson, Grey T. & Short, Andrew E. Z. & Miller, Kelly B.', 15],
    ['Hendrich, Lars & Šťastný, Jaroslav', 14],
    ['Hájek, Jiří & Alarie, Yves & Šťastný, Jaroslav', 1],
    ['Hájek, Jiří & Šťastný, Jaroslav & Hendrich, Lars', 7],
    ['Jiang, Zhuo-Yin & Zhao, Shuang & Jia, Feng-Long', 14],
    ['Short, Andrew Edward Z. & Benetti, Cesar J. & Gustafson, Grey T.', 8],
    ['Xian, Chunlan & Leong, Chi Man & Luo, Jiuyang & Jia, Fenglong', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=73)',
    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);