function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Asenjo, Angélico & e, Sistemática & de, Bioecologia & Coleoptera', 4],
    ['Brunke, Adam J. & Pentinsaari, Mikko & Klimaszewski, Jan', 1],
    ['Cao, Dandan & Wei, Jianrong & Liu, Shuwen & Zhao, Zhengping', 2],
    ['Kim, Yoon-Ho & Ahn, Kee-Jeong', 6],
    ['Klimaszewski, Jan & Chandler, Donald S. & Davies, Anthony', 1],
    ['Klimaszewski, Jan & Godin, Benoit & Langor, David', 1],
    ['Majka, Christopher & Klimaszewski, Jan', 1],
    ['Mannerheim, C. G.', 1],
    ['Motschulsky, Victor de', 1],
    ['Mulsant, Martial Étienne & Rey, Claudius', 1],
    ['Navarrete-Heredia, José Luis & Gómez-Rodríguez, Cecilia', 18],
    ['Pace, Roberto', 3],
    ['Swezey, O. H.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=41)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 13, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);