function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bellanger, Jean-Michel & Schmidt-Stohn, Geert & Bidaud, André', 2],
    ['Dovana, Francesco & Boccardo, Fabrizio & Borovička, Jan', 1],
    ['Fellin, Alessandro & Ercole, Enrico & Ferrari, Renato Jonny', 1],
    ['Filippova, Nina & Zvyagina, Elena & Rudykina, Elena', 42],
    ['Frøslev, Tobias G. & Jeppesen, Thomas S. & Laessøe, Thomas', 18],
    ['Frøslev, Tobias Guldberg & Jeppesen, Thomas Stjernegaard', 1],
    ['Greathead, D. J. & Evenhuis, N. L.', 1],
    ['Harrower, Emma & Bougher, Neale L. & Winterbottom, Caitlin', 8],
    ['Karunarathna, Samantha C. & Priyashantha, K Hasith', 1],
    ['Khurshid, Rubab & Naseer, Arooj & Garrido-Benavent, Isaac', 1],
    ['Liu, Fei-Fei & Wu, Gang & Yang, Zhu L.', 3],
    ['Long, Pan & Zhou, Song-Yan & Li, Sai-Nan & Liu, Fei-Fei', 3],
    ['Naseer, Arooj & Garrido-Benavent, Isaac & Khan, Junaid', 2],
    ['Xie, Meng-Le & Wei, Tie-Zheng & Fu, Yong-Ping & Li, Dan', 3],
    ['Zambrano-Forero, Cristian J & Davila-Giraldo, Lina R', 2],
    ['Other (4)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=93)',
    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);