function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Christenhusz, Maarten J. M. & Zhang, Xian-Chun', 1],
    ['Cunha, Rosana & Martins, Luciana & Menegola, Carla', 2],
    ['Cunha, Rosana & Tavares, Marcos & Jr, Joel Braga De Mendonça', 1],
    ['Fassbender, Nico & Stefanoudis, Paris V', 3],
    ['Gondim, Anne Isabelley & Christoffersen, Martin Lindsey', 1],
    ['Jangoux, Michel', 14],
    ['Kim, Seong-Yong', 1],
    ['Kogure, Yoichi & Fujita, Yoshihisa', 1],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 1],
    ['Lütken, Christian Frederik', 1],
    ['Mah, Christopher & Foltz, David', 1],
    ['Mah, Christopher L.', 5],
    ['Mah, Christopher L. & Kogure, Yoichi & Fujita, Toshihiko', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=34)',
    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);