function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barrientos, Jose A. & Prieto, Carlos E. & Pina, Silvia', 3],
    ['Delfosse, Emmanuel & Iorio, Étienne', 29],
    ['Dunlop, Jason & Mitov, Plamen', 5],
    ['Gonçalves, Teresa Cristina Monte & Novo, Shênia Patrícia Corrêa', 3],
    ['Linnaeus, Carolus', 5],
    ['Martens, Jochen & Schönhofer, Axel L.', 8],
    ['Mitov, Plamen G. & Perkovsky, Evgeny E. & Dunlop, Jason A.', 4],
    ['Murányi, Dávid', 3],
    ['Snegovaya, Natalia', 4],
    ['Snegovaya, Nataly Yu. & Cokendolpher, James C.', 20],
    ['Snegovaya, Nataly Yu. & Cokendolpher, James C. & Zamani, Alireza', 9],
    ['Starêga, Wojciech', 8],
    ['Taylor, Christopher K.', 6],
    ['Trilikauskas, Laimonas A. & Azarkina, Galina N.', 7],
    ['Wijnhoven, Hay & Martens, Jochen & Prieto, Carlos E.', 7],
    ['Other (18)', 33]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=154)',
    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);