function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Albano, Paolo G. & Steger, Jan & Bakker, Piet A. J.', 9],
    ['Appolloni, Massimo & Smriglio, Carlo & Amati, Bruno', 13],
    ['Cavallari, Daniel C. & Dornellas, Ana Paula S.', 9],
    ['Hori, Shigeo & Fukuda, Hiroshi', 9],
    ['Lygre, Frøydis & Kongsrud, Jon Anders & Schander, Christoffer', 5],
    ['Lygre, Frøydis & Schander, Christoffer', 9],
    ['Mariottini, Paolo & Smriglio, Carlo & Oliverio, Marco', 8],
    ['Peñas, A. & Rolán, E. & Swinnen, Frank', 30],
    ['Pimenta, Alexandre D. & Absalão, Ricardo S.', 13],
    ['Pimenta, Alexandre D. & Santos, Franklin N. & Cunha, Carlo M.', 6],
    ['Pimenta, Alexandre Dias & Absalão, Ricardo Silva', 19],
    ['Pimenta, Alexandre Dias & Santos, Franklin Noel Dos', 8],
    ['S & Absalão, Ricardo Silva & Santos, Franklin Noel', 6],
    ['Smith, Graeme B. & Mitchell, Andrew & Molero-Baltanás, Rafael', 16],
    ['Thivaiou, Danae & Harzhauser, Mathias & Koskeridou, Efterpi', 23],
    ['Other (21)', 48]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=231)',
    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);