function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Abdel-Dayem, Mahmoud S. & Fad, Hassan H. & El-Torkey, Ashraf M.', 1],
    ['Anton, Klaus-Werner & Delobel, Alex', 3],
    ['Cho, H. - W. & An, S. L.', 8],
    ['Delobel, Alex', 4],
    ['Delobel, Alex & Ru, Bruno Le', 4],
    ['Delobel, Alex & Ru, Bruno Le & Genson, Gwenaëlle', 10],
    ['Ghahari, Hassan & Borowiec, Lech', 62],
    ['Legalov, Andrei A. & Reshetnikov, Sergei V.', 1],
    ['Li, You & Wang, Zhiliang & Guo, Jianjun & Napoles, Jesus Romero', 2],
    ['Reid, C. A. M. & Beatson, M.', 1],
    ['Stojanova, Anelia & György, Zoltán', 40],
    ['Tuda, Midori', 1],
    ['Webster, Reginald P. & Webster, Vincent L.', 1],
    ['Yus-Ramos, Rafael & Ventura, Daniel & Bensusan, Keith', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=139)',
    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);