function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Grouvelle, Antoine', 7],
    ['King, Jonas G. & Lago, Paul K.', 33],
    ['Litovkin, S. V. & Sazhnev, A. S.', 9],
    ['Litovkin, Stanislav V. & Sazhnev, Alexey S. & Jr, Fedor Čiampor', 1],
    ['Nomura, Shizumu', 2],
    ['Pérez-Hernández, Cisteil Xinum', 4],
    ['Ribera, Ignacio & Hernando, Carles & Cieslak, Alexandra', 1],
    ['Ruchin, Alexaner B. & Egorov, Leonid V. & Alekseev, Sergei K.', 1],
    ['Sazhnev, Alexey S.', 4],
    ['Sazhnev, Alexey S. & Dragan, Sergey V.', 5],
    ['Skalický, Stanislav', 7],
    ['Webster, Reginald P. & Webster, Vincent L.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=75)',
    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);