function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Asenjo, Angélico & e, Sistemática & de, Bioecologia & Coleoptera', 1],
    ['Assing, V.', 4],
    ['Assing, Volker', 2],
    ['Assing, Volker & Schülke, Michael & Brachat, Volker', 2],
    ['Bernhauer, Max', 1],
    ['Blackburn, T. & Sharp, David', 4],
    ['Brunke, Adam J. & Pentinsaari, Mikko & Klimaszewski, Jan', 3],
    ['Kapp, Andreas', 42],
    ['Klimaszewski, Jan & Chandler, Donald S. & Davies, Anthony', 2],
    ['Klimaszewski, Jan & Larson, David J. & Labrecque, Myriam', 1],
    ['Navarrete-Heredia, José Luis & Gómez-Rodríguez, Cecilia', 2],
    ['Ostrovsky, A. M. & Solodovnikov, I. A.', 8],
    ['Pace, Roberto', 4],
    ['Sharp, David', 3],
    ['Webster, Reginald P. & Klimaszewski, Jan & Bourdon, Caroline', 5],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=87)',
    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);