function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alekseev, Vitalii I. & Drotikova, Anna M. & Rozhina, Viktoria I.', 5],
    ['Alekseev, Vitalii I. & Pankowski, Maximilian G.', 2],
    ['Alekseev, Vitalii Igorevich & Bukejs, Andris', 21],
    ['Barševskis, Arvīds & Janovska, Marina & Aksjuta, Kristīna', 2],
    ['Ishikawa, Haruko & Sakai, Masahiro', 4],
    ['Konvička, Ondřej & Brustel, Hervé', 6],
    ['LeConte, John L.', 3],
    ['Majka, Christopher G. & Pollock, Darren A.', 15],
    ['Mitter, Heinz & A, Upper', 4],
    ['Pollock, Darren A.', 22],
    ['Sanchez, Andreas & Chittaro, Yannick & Monnerat, Christian', 5],
    ['Tamutis, Vytautas & Ferenca, Romas & Pollock, Darren A.', 3],
    ['Webster, Reginald P. & Sweeney, Jon D. & DeMerchant, Ian', 8],
    ['Webster, Reginald P. & Webster, Vincent L.', 3],
    ['Yang, Shulin & Liu, Jie', 3],
    ['Other (18)', 27]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=133)',
    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);