function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Carvalho, Edrielly Carolinne & Vaz-de-Mello, Fernando Z.', 23],
    ['Freese, Edwin L. & Veal, Doug A. & Lago, Paul K.', 11],
    ['Gussmann S. M. & Scholtz, C. H.', 24],
    ['Gussmann, S. M. V. & Scholtz, C. H.', 22],
    ['Hielkema, Auke J. & Hielkema, Meindert A.', 15],
    ['Hillert, Oliver & Arnone, Marcello & Král, David & Massa, Bruno', 11],
    ['Howden, H. F. & Cooper, J. B.', 4],
    ['Howden, Henry & Howden, Anne & Holloway, Geoffrey', 10],
    ['Howden, Henry F.', 6],
    ['Krikken, Jan & Li, Chun-Lin', 15],
    ['Li, Chun-Lin & Yang, Ping-Shih & Krikken, Jan & Wang, Chuan-Chan', 4],
    ['Mondaca, José & Smith, Andrew B. T.', 11],
    ['Rossini, Michele & Forshage, Mattias', 15],
    ['Smith, Andrew B. T.', 9],
    ['Sommer, David & Hillert, Oliver & Hrůzová, Lucie & Král, David', 4],
    ['Other (21)', 34]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=218)',
    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);