function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Anlaş, S.', 3],
    ['Anlaş, S. & A. F', 1],
    ['Assing, V.', 1],
    ['Glotov, Sergii V. & Drogvalenko, Oleksandr M.', 2],
    ['Huber, Barbara & Gubelmann, Päivi & Büche, Boris', 1],
    ['Japoshvili, George & Khachikov, Eduard', 1],
    ['Karns, Ken & Behrendt, Marc', 1],
    ['Li, Li-Zhen & Sakai, Masahiro', 2],
    ['Mitter, Heinz', 1],
    ['Ruchin, Alexaner B. & Egorov, Leonid V. & Alekseev, Sergei K.', 1],
    ['Samin, N. & Zhou, H. & Sakenin, H. & Imani, S. & Rastegar, J.', 2],
    ['Schülke, M.', 2],
    ['Telfer, Angela C & Young, Monica R & Quinn, Jenna & Perez, Kate', 2],
    ['Webster, Reginald P. & Sweeney, Jon D. & DeMerchant, Ian', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=25)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);