function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arriaga-Jiménez, Alfonsina & Kohlmann, Bert', 3],
    ['Bezděk, Aleš & Hájek, Jiří & Ascr, Biology Centre', 10],
    ['Dupuis, Fabien', 1],
    ['Freese, Edwin L. & Veal, Doug A. & Lago, Paul K.', 6],
    ['Japarashvili, Shota', 4],
    ['Kohlmann, Bert & Arriaga-Jimenez, Alfonsina & Roes, Matthias', 2],
    ['Latreille, Pierre André', 1],
    ['Pérez-Hernández, Cisteil Xinum', 2],
    ['Weber, Friedrich', 2],
    ['Webster, Reginald P. & Sweeney, Jon D. & DeMerchant, Ian', 1],
    ['Ziani, Stefano & Bezděk, Aleš & Branco, Tristão', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=33)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);