function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bond, Jason E.', 1],
    ['Cantell, Carl-Erik', 2],
    ['Coe, W. R.', 1],
    ['Gibson, Ray & Sundberg, Per', 2],
    ['Gonzalez-Cueto, Jaime & Quiroga, Sigmer & Norenburg, Jon', 3],
    ['Hookabe, Natsumi & Schwartz, Megan L. & Kajihara, Hiroshi', 3],
    ['Hosagoudar, V. B. & Robin, P. J. & Shivaraju, B.', 1],
    ['Kajihara, Hiroshi', 1],
    ['Kajihara, Hiroshi & Abukawa, Shushi & Chernyshev, Alexei V.', 6],
    ['Kajihara, Hiroshi & Takibata, Mariko & Grygier, Mark J.', 1],
    ['Mendes, Cecili B. & Matthews-Cascon, Helena & Norenburg, Jon L.', 3],
    ['Puerta, Patricia & Andrade, Sonia C. S. & Junoy, Juan', 1],
    ['Sagorny, Christina & Döhren, Jörn von & Rouse, Greg W.', 6],
    ['Yurchenko, Olga V. & Chernyshev, Alexey V.', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=33)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);