function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alekseev, Vitalii I.', 2],
    ['Bouchard, Patrice & Bousquet, Yves & Davies, Anthony E.', 1],
    ['Broun, Thomas', 1],
    ['Cai, Chenyang & Lawrence, John F. & Yamamoto, Shȗhei', 2],
    ['Endrödy-Younga, Sebastian', 1],
    ['Hinson, Kevin R. & Buss, Richard J.', 1],
    ['Matsunaga, Janis N. & Howarth, Francis G.', 1],
    ['Motschulsky, Victor de', 1],
    ['Pentinsaari, Mikko & Anderson, Robert & Borowiec, Lech', 2],
    ['Westcott, Richard L. & Parsons, Gary L. & Johnson, Paul J.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=13)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);