function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aistleitner, E.', 18],
    ['Bayarsaikhan, Ulziijargal & Bae, Yang-Seop', 35],
    ['Durante, Antonio', 47],
    ['Espinoza, Bernardo & Janzen, Daniel H. & Hallwachs, Winnie', 16],
    ['Hampson, George F.', 172],
    ['Laguerre, Michel', 2352],
    ['Pinheiro, L. R. & Gaal-Haszler, S.', 45],
    ['Schmidt, B. Christian', 29],
    ['Silva, Karoline M. O. & Câmara, Joseleide T. & Teston, José A.', 111],
    ['Singh, Navneet & Joshi, Rahul & Kirti, Jagbir Singh', 269],
    ['Vincent, Benoît & Laguerre, Michel', 70],
    ['Volynkin, Anton V.', 18],
    ['Volynkin, Anton V. & Singh, Navneet & Černý, Karel', 20],
    ['Volynkin, Anton V. & Černý, Karel', 69],
    ['Walker, Francis', 32],
    ['Other (122)', 479]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=3782)',
    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);