function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barševskis, Arvīds & Janovska, Marina & Aksjuta, Kristīna', 2],
    ['Bouchard, Patrice & Bousquet, Yves & Davies, Anthony E.', 1],
    ['Broun, Thomas', 1],
    ['Bukejs, Andris & Alekseev, Vitalii I. & Pollock, Darren A.', 4],
    ['Escalona, Hermes E. & Ślipiński, Adam', 1],
    ['F, Hannes & F, Hannes', 2],
    ['Ferro, Michael L. & Gimmel, Matthew L. & Harms, Kyle E.', 2],
    ['Gao, Qi & Young, Daniel K. & Zhan, Zhi-Hong & Cheng, Hai-Yun', 2],
    ['Jelínek, Josef & Kubáň, Vítězslav', 5],
    ['Majka, Christopher G.', 5],
    ['Molfini, Marco & Giulio, Andrea Di & Mancini, Emiliano', 2],
    ['Webster, Reginald P. & Sweeney, Jon D. & DeMerchant, Ian', 3],
    ['Young, Daniel K.', 23],
    ['Young, Daniel K. & Hsiao, Yun & Liang, Wei-Ren & Lee, Chi-Feng', 2],
    ['Zhan, Zhihong & Jing, Kaixiang & Young, Daniel K.', 3],
    ['Other (4)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=62)',
    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);