function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Appolloni, Massimo & Smriglio, Carlo & Amati, Bruno', 5],
    ['Barnett, Leonie J. & Smales, Lesley R. & Cribb, Thomas H.', 6],
    ['Chen, Chong & Xu, Ting & Fraussen, Koen & Qiu, Jian-Wen', 6],
    ['Dall, William Healey', 7],
    ['Fraussen, Koen & Galindo, Lee Ann & Rosado, José', 11],
    ['Fraussen, Koen & Poppe, Guido', 20],
    ['Gulbin, V. V. & Ivin, V. V.', 8],
    ['Kantor, Yuri & Kosyan, Alisa & Sorokin, Pavel', 6],
    ['Kantor, Yuri & Sirenko, Boris & Zvonareva, Sofya S.', 6],
    ['Linnaeus, Carolus', 48],
    ['Luca, Javier Di & Zelaya, Diego G.', 13],
    ['Mclean, James H. & Clark, Roger N.', 47],
    ['Müller, Otto Friedrich', 5],
    ['Pastorino, Guido', 19],
    ['Röding, Peter Friedrich', 7],
    ['Other (42)', 74]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=288)',
    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);