function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Asano, Makoto', 8],
    ['Baviera, Cosimo & Liberti, Gianfranco', 8],
    ['Estrada, Patricia', 13],
    ['Hájek, Jiří & Švihla, Vladimír', 139],
    ['Ikeda, Hiroshi & Yoshitomi, Hiroyuki', 9],
    ['Liberti, Gianfranco', 39],
    ['Liu, Zhenhua & Ślipiński, Adam & Pang, Hong', 11],
    ['Mayor, Adriean J. & Gimmel, Matthew L.', 26],
    ['Mirutenko, Vladyslav & Ghahari, Hassan', 96],
    ['Plonski, Isidor S. & Ghahari, Hassan', 88],
    ['Rifkind, Jacques', 11],
    ['Tong, Junbo & Tshernyshev, Sergei E. & Liu, Haoyu & Yang, Yuxia', 8],
    ['Tshernyshev, Sergei E.', 88],
    ['Yoshitomi, Hiroyuki', 20],
    ['Švihla, Vladimír & Mifsud, David', 14],
    ['Other (36)', 64]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=642)',
    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);