function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arabuli, Lela & Murvanidze, Lali & Faltynkova, Anna', 2],
    ['Ho, Hei Wa & Bray, Rodney A. & Cutmore, Scott C. & Ward, Selina', 2],
    ['Holl, F. J.', 2],
    ['Jaiswal, G. P.', 2],
    ['Kaw, B. L.', 2],
    ['León, Gerardo Pérez-Ponce De & Martínez-Aquino, Andrés', 2],
    ['Long, S. & Wai, M. T.', 4],
    ['Lopes, Daniela A. & Mainenti, Adriana & Knoff, Marcelo', 2],
    ['Nybelin, O.', 4],
    ['Odhner, T.', 3],
    ['Parukhin, A M', 3],
    ['Pigulewsky, S. W.', 3],
    ['Rensburg, Candice Jansen van & van As, Jo G. & King, Pieter H.', 3],
    ['Yamaguti, S.', 4],
    ['Zhang, Yueyuan', 3],
    ['Other (57)', 64]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=105)',
    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);