function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aristov, D. S.', 4],
    ['Aristov, D. S. & Gorochov, A. V.', 3],
    ['Aristov, D. S. & Prevec, R. & Mostovski, M. B.', 3],
    ['Aristov, D. S. & Storozhenko, S. Yu.', 2],
    ['Aristov, Daniil S. & Storozhenko, Sergey Yu.', 22],
    ['CUI, YINGYING & BÉTHOUX, OLIVIER & YANG, NAN & REN, DONG', 2],
    ['Guo, Mingxia & Xing, Lida & Wang, Bo & Zhang, Weiwei', 3],
    ['Huang, Di-Ying & Nel, André & Petrulevičius, Julian F.', 3],
    ['Marshall, Christopher J. & Lytle, David A.', 3],
    ['Matsumura, Yoko & Maruyama, Munetoshi & Ntonifor, Nelson N.', 2],
    ['NEL, ANDRÉ & POSCHMANN, MARKUS J.', 3],
    ['Nel, André & Kundura, Jean-Paul & Pouillon, Jean-Marc', 2],
    ['Pindakiewicz, Maciej & Tałanda, Mateusz & Sulej, Tomasz', 4],
    ['Schoville, Sean D.', 3],
    ['Storozhenko, S. Yu. & Aristov, D. S.', 4],
    ['Other (15)', 19]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=82)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);