function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Armitage, Brian J. & Ríos González, Tomás A.', 9],
    ['Kolcsar, Levente-Peter & d\'Oliveira, Micha Camiel', 11],
    ['Lantsov, Vladimir I. & Pilipenko, Valentin E.', 6],
    ['Linnaeus, Carolus', 43],
    ['Men, Qiulei & Starkevich, Pavel & Podenas, Sigitas', 8],
    ['Podeniene, Virginija & Nasevičiene, Nijole & Podenas, Sigitas', 8],
    ['Ren, Jinlong & Li, Yan & Yang, Ding', 7],
    ['Ribeiro, Guilherme C. & Santos, Daubian', 32],
    ['Ribeiro, Guilherme Cunha & Lamas, Carlos José Einicker', 9],
    ['Schrank, Franz von Paula', 7],
    ['Starkevich, Pavel & Men, Qiu-Lei & Saldaitis, Aidas', 7],
    ['Starkevich, Pavel & Podenas, Sigitas & Gelhaus, Jon K.', 20],
    ['Syratt, Maksymilian', 7],
    ['Yang, Qi-cheng & Li, Yan & Pan, Zhao-hui & Liu, Xiao-yan', 19],
    ['Yang, Qi-cheng & Ren, Jin-long & Liu, Xiao-yan & Yang, Ding', 8],
    ['Other (42)', 101]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=302)',
    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);