function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Dorr, Laurence J. & Stergios, Basil', 4],
    ['Fu, Long-Fei & Xiong, Chi & Monro, Alexandre K. & Fan, Qiang', 1],
    ['Gaglioti, A. L. & Romaniuc, S. & Monro, A. K.', 1],
    ['Gilli, Alexander', 2],
    ['Jarvis, Charlie', 5],
    ['Lee, Jong-Won & Yun, Ho-Geun & Hwang, Tae Young & Kim, Kyungmin', 3],
    ['Monro, A. K.', 5],
    ['Monro, Alex K. & Wei, Y. G. & Chen, C. J.', 3],
    ['Ridley, Henry Nicholas', 3],
    ['Royen, Pieter van', 8],
    ['Soares, Júlia Fialho & Miotto, Silvia Teresinha Sfoggia', 2],
    ['Takeuchi, Wayne N.', 1],
    ['Winkler, Hubert J. P.', 7],
    ['Zhou, Ya-Dong & Mwachala, Geoffrey & Hu, Guang-Wan', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=51)',
    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);