function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Cai, Y.', 20],
    ['Cai, Y. & Ng, P. K. L.', 10],
    ['Cai, Yixiong & Choy, Satish & Ng, Peter K. L.', 16],
    ['Cai, Yixiong & Husana, Daniel Edison M.', 6],
    ['Cai, Yixiong & Ng, Peter K. L. & Choy, Satish', 15],
    ['Christodoulou, Magdalini & Antoniou, Aglaia & Antonios Magoulas,', 8],
    ['Jasmine Richard & Paul F. Clark', 19],
    ['Jugovic, Jure & Jalžić, Branko & Prevorčnik, Simona', 7],
    ['Marin, Ivan', 7],
    ['Mazancourt, Valentin de & Boseto, David & Marquet, Gerard', 30],
    ['Pérez-Reyes, Omar & Crowl, Todd A. & Hernández-García, Pablo J.', 7],
    ['Richard, Jasmine & Clark, Paul F.', 18],
    ['Rintelen, Kristina von & Cai, Yixiong', 23],
    ['Sket, Boris & Zakšek, Valerija', 15],
    ['Too, Chin Chin & Carlson, Clay & Hoff, Patty Jo', 10],
    ['Other (57)', 132]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=343)',
    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);