function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ainsworth, A. Martyn & Cannon, Paul F. & Dentinger, Bryn T. M.', 2],
    ['Cardoso, Juli Simon & Moncalvo, Jean-Marc & Lodge, D. Jean', 5],
    ['Filippova, Nina & Zvyagina, Elena & Rudykina, Elena', 2],
    ['He, Zheng-Mi & Yang, Zhu L.', 4],
    ['Karunarathna, Samantha C. & Priyashantha, K Hasith', 34],
    ['Lücking, Robert & Dal-Forno, Manuela & Lawrey, James D.', 3],
    ['Marcano, Vicente', 9],
    ['Naseer, Arooj & Khalid, Abdul Nasir & Healy, Rosanne', 2],
    ['Prins, Jurate De & Brito, Rosângela', 2],
    ['Reschke, Kai & Lotz-Winter, Hermine & Fischer, Christian W.', 3],
    ['Rickards, R. B. & Chapman, A. J. & Wright, A. J. & Packham, G. H', 11],
    ['Wang, Chao-Qun & Li, Tai-Hui & Zhang, Ming & He, Xiao-Lan', 5],
    ['Wang, Chao-Qun & Zhang, Ming & Li, Tai-Hui', 3],
    ['Wang, Chao-Qun & Zhang, Ming & Li, Tai-Hui & Liang, Xi-Shen', 3],
    ['Zambrano-Forero, Cristian J & Davila-Giraldo, Lina R', 3],
    ['Other (13)', 16]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=107)',
    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);