function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alves, Philippe V. & Vieira, Fabiano M. & Santos, Cláudia P.', 1],
    ['Anistratenko, V. V. & Furyk, Yu. I. & Anistratenko, O. Yu.', 5],
    ['Boldin, Vladislav I. & Nikitin, Yuri G.', 1],
    ['Cowie, Robert H.', 1],
    ['Esu, Daniela & Girotti, Odoardo', 2],
    ['Gloeer, Peter & Pesic, Vladimir', 2],
    ['Glöer, Peter & Georgiev, Dilian', 1],
    ['Mandic, Oleg & Kurečić, Tomislav & Neubauer, Thomas A.', 1],
    ['Marković, Vanja & Gojšina, Vukašin & Novaković, Boris', 3],
    ['Neubauer, Thomas A. & Harzhauser, Mathias', 5],
    ['Neubauer, Thomas A. & Harzhauser, Mathias & Kroh, Andreas', 4],
    ['Ng, Ting Hui & Jeratthitikul, Ekgachai & Sutcharit, Chirasak', 4],
    ['Saito, Takumi & Kagawa, Osamu', 3],
    ['Zhang, Le-Jia & Chen, Shi-Chao & Yang, Li-Te & Jin, Lei', 8],
    ['Zhang, Le-Jia & Du, Li-Na & von Rintelen, Thomas', 5],
    ['Other (4)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=50)',
    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);