function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bolotov, Ivan N. & Kondakov, Alexander V. & Spitsyn, Vitaly M.', 1],
    ['Saldaitis, Aidas & Volynkin, Anton V. & Dubatolov, Vladimir V.', 1],
    ['Saldaitis, Aidas & Volynkin, Anton V. & Duda, Juozas', 1],
    ['Saldaitis, Aidas & Volynkin, Anton V. & Dûda, Juozas', 1],
    ['Singh, Navneet & Joshi, Rahul & Kirti, Jagbir Singh', 43],
    ['Volynkin, Anton V. & Saldaitis, Aidas', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=48)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 6, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);