function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Assing, V.', 16],
    ['Assing, Volker', 67],
    ['Broun, Thomas', 7],
    ['Brunke, Adam James', 10],
    ['Cai, Yan-Peng & Zhao, Zong-Yi & Zhou, Hong-Zhang', 12],
    ['Cai, Yan-Peng & Zhou, Hong-Zhang', 19],
    ['Cameron, Malcolm', 6],
    ['Ejean', 8],
    ['Hansen, Aslak Kappel & Brunke, Adam & Simonsen, Thomas', 27],
    ['Salnitska, Maria & Solodovnikov, Alexey', 55],
    ['Smetana, Aleš', 64],
    ['Smetana, Tephens & Shavrin, A.', 7],
    ['Tephens', 19],
    ['Webster, Reginald P. & Smetana, Ales & Sweeney, Jon D.', 8],
    ['Zhao, Zong-Yi & Zhou, Hong-Zhang', 9],
    ['Other (32)', 76]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=410)',
    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);