function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alekseev, Vitalii I.', 5],
    ['Arriaga-Jiménez, Alfonsina & Zunino, Mario & Halffter, Gonzalo', 6],
    ['Bagaturov, Mikhail F. & Hillert, Oliver', 5],
    ['Bezděk, Aleš & Hájek, Jiří & Ascr, Biology Centre', 83],
    ['Dupuis, Fabien', 5],
    ['Freese, Edwin L. & Veal, Doug A. & Lago, Paul K.', 6],
    ['Hielkema, Auke J. & Hielkema, Meindert A.', 4],
    ['Japarashvili, Shota', 6],
    ['Král, David & Hillert, Oliver', 6],
    ['Král, David & Jákl, Stanislav & Lu, Yuanyuan & Bai, Ming', 6],
    ['Li, Chun-Lin & Krikken, Jan & Wang, Chuan-Chan', 6],
    ['Li, Chun-Lin & Wang, Chuan-Chan', 12],
    ['Shapovalov, Andrey M. & Bagaturov, Mikhail F.', 8],
    ['Smith, Andrew B. T.', 9],
    ['Ziani, Stefano & Bezděk, Aleš & Branco, Tristão', 5],
    ['Other (35)', 55]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=227)',
    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);