function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Antonovskaia, A. A. & Balakirev, A. E. & Lopatina, Y. V.', 2],
    ['Bassini-Silva, Ricardo & Takatsu, Julia Carvalho', 1],
    ['K, Sirikamon Koosakulnirand & RajasegaranK, Praveena', 4],
    ['Kaluz, Stanislav & Hung, Nguyen Manh & Capek, Miroslav', 2],
    ['Kalúz, Stanislav & Literák, Ivan & Kolenčík, Stanislav', 1],
    ['Ma, Min & Li, Sheng-Cai & Fan, Qing-Hai', 1],
    ['Nielsen, David H. & Robbins, Richard G. & Rueda, Leopoldo M.', 63],
    ['Reeves, Will K. & Durden, Lance A. & Wrenn, William J.', 1],
    ['Stekolnikov, Alexandr A.', 28],
    ['Stekolnikov, Alexandr A. & Capek, Miroslav & Literák, Ivan', 1],
    ['Stekolnikov, Alexandr A. & Saboori, Alireza & Shamsi, Mohsen', 8],
    ['Tauflieb, R.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=113)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);