function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Armitage, Brian J. & Harris, Steven C. & Blahnik, Roger J.', 8],
    ['Bemmoussat-Dekkak, Soumya & Abdellaoui-Hassaine, Karima', 1],
    ['Embacher, G. & Malicky, H. & A. E & R. A', 1],
    ['Guo, Mingxia & Xing, Lida & Wang, Bo & Zhang, Weiwei', 4],
    ['Holzenthal, Ralph W. & Blahnik, Roger J. & Rios-Touma, Blanca', 3],
    ['Hu, Yan-Li & Tsring, Samten & Wang, Bei-Xin & Sun, Chang-Hai', 1],
    ['Karaouzas, Ioannis', 1],
    ['Malicky, H.', 12],
    ['Malicky, Hans', 6],
    ['Mey, Wolfram & Malicky, Hans', 6],
    ['Muñoz-Quesada, Fernando J. & Holzenthal, Ralph W.', 20],
    ['Paprocki, Henrique & Franca, Diogo', 2],
    ['Razo-González, María', 3],
    ['Vitecek, Simon & Previsic, Ana & Kucinic, Mladen', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=69)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);