function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arzanov, Yu. G. & Martynov, V. V. & Nikulina, T. V.', 25],
    ['Bartolozzi, Luca & Loudit, Sandrine Mariella Bayendi', 5],
    ['Douglas, Hume & Bouchard, Patrice & Anderson, Robert S.', 6],
    ['Ghahari, Hassan & Colonnelli, Enzo', 111],
    ['Giusto, Carlo', 5],
    ['Kissinger, David G.', 20],
    ['Legalov, A. A.', 14],
    ['Mantilleri, Antoine', 118],
    ['Mantilleri, Antoine & Bartolozzi, Luca & Sforzi, Alessandra', 74],
    ['Meurgey, François & Ramage, Thibault', 5],
    ['O’Brien, Charles W. & Robert H. Turnbow, Jr.', 5],
    ['Peck, Stewart B.', 8],
    ['Wanat, Marek', 19],
    ['Wang, Zhiliang & Alonso-Zarazaga, Miguel A. & Zhang, Runzhi', 5],
    ['Yunakov, Nikolai & Nazarenko, Vitalij & Filimonov, Rostislav', 137],
    ['Other (56)', 110]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=667)',
    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);