function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arzanov, Yu. G. & Martynov, V. V. & Nikulina, T. V.', 2],
    ['Bouchard, Patrice & Bousquet, Yves & Davies, Anthony E.', 1],
    ['Davis, Steven R. & Engel, Michael S.', 2],
    ['Ghahari, Hassan & Colonnelli, Enzo', 2],
    ['Gratshev, V. G. & Legalov, A. A.', 17],
    ['Guo, Mingxia & Xing, Lida & Wang, Bo & Zhang, Weiwei', 2],
    ['Janicki, Julia & Young, Daniel K.', 5],
    ['Kuschel, Guillermo', 5],
    ['Kuschel, Guillermo Dr.', 12],
    ['Kuschel, Guillermo Dr. & Leschen, Richard A. B.', 5],
    ['Legalov, A. A.', 6],
    ['Liu, Ming & Ren, Dong', 2],
    ['Peris, David & Davis, Steven R. & Engel, Michael S.', 4],
    ['Ren, Li & Alonso-Zarazaga, Miguel A. & Song, Zhenzhen', 2],
    ['Yunakov, Nikolai & Nazarenko, Vitalij & Filimonov, Rostislav', 3],
    ['Other (6)', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=76)',
    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);