function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Anichtchenko, Alexander V. & Shavrin, Alexey V.', 1],
    ['Anlaş, S.', 2],
    ['Assing, V.', 1],
    ['Assing, Volker', 1],
    ['Cheng, Zhi-Fei & Li, Li-Zhen & Peng, Zhong', 19],
    ['Latreille, Pierre André', 1],
    ['Ma, Wen-Li & Li, Li-Zhen', 1],
    ['Ma, Wen-Li & Li, Li-Zhen & Zhao, Mei-Jun', 2],
    ['SHAVRIN, ALEXEY V.', 4],
    ['Samin, N. & Imani, S.', 1],
    ['Shavrin, A. V. & Makarov, K. V.', 2],
    ['Shavrin, Alexey V.', 48],
    ['Shavrin, Alexey V. & Shilenkov, Viktor G.', 5],
    ['Shavrin, Alexey V. & Zanetti, Adriano', 13],
    ['Zanetti, A.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=102)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);