function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Cripps, Cathy L. & Eberhardt, Ursula & Schuetz, Nicole', 16],
    ['Eberhardt, Ursula & Beker, Henry J. & Borgen, Torbjorn', 29],
    ['Filippova, Nina & Zvyagina, Elena & Rudykina, Elena', 50],
    ['Frøslev, Tobias G. & Jeppesen, Thomas S. & Laessøe, Thomas', 18],
    ['Grimaldi, David A.', 20],
    ['Jarvis, Charlie', 27],
    ['Jens-H', 17],
    ['Jeppson, Mikael & Altes, Alberto & Moreno, Gabriel', 52],
    ['Karunarathna, Samantha C. & Priyashantha, K Hasith', 307],
    ['Petersen, Ronald H. & Hughes, Karen W.', 36],
    ['Rampasso, Augusto Santos & O’Grady, Patrick Michael', 435],
    ['Roman, Bruna Emilia & Madi-Ravazzi, Lilian', 19],
    ['S, Jadson José & Oliveira, ouza de & Capelari, Marina', 16],
    ['Zambrano-Forero, Cristian J & Davila-Giraldo, Lina R', 79],
    ['de la Fuente, Javier Isaac & García-Jiménez, Jesús', 31],
    ['Other (266)', 603]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=1755)',
    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);