function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alekseev, Vitalii I.', 1],
    ['Bezděk, Aleš & Hájek, Jiří & Ascr, Biology Centre', 2],
    ['Bouchard, Patrice & Bousquet, Yves & Davies, Anthony E.', 1],
    ['Dupuis, Fabien', 2],
    ['Freese, Edwin L. & Veal, Doug A. & Lago, Paul K.', 2],
    ['Huchet, Jean-Bernard', 5],
    ['Krell, Frank- Thorsten', 1],
    ['Mondaca, José & Fierro, Andrés & Rothmann, Sergio', 1],
    ['Ochi, Teruo & Kon, Masahiro & Masumoto, Kimio', 6],
    ['Paulsen, M. J.', 28],
    ['Paulsen, M. J. & Ocampo, Federico C.', 12],
    ['Ratcliffe, Brett C.', 1],
    ['Ren, Dong', 3],
    ['Smith, Andrew B. T.', 9],
    ['Ziani, Stefano', 2],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=78)',
    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);