function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Almeida, Ana C. S. & Souza, Facelucia B. C.', 29],
    ['Cáceres-Chamizo, Julia P. & Sanner, Joann & Tilbrook, Kevin J.', 30],
    ['Dick, Matthew H. & Grischenko, Andrei V.', 42],
    ['Dick, Matthew H. & Grischenko, Andrei V. & Mawatari, Shunsuke F.', 28],
    ['Gerovasileiou, Vasilis & Rosso, Antonietta', 350],
    ['Grischenko, Andrei V. & Dick, Matthew H. & Mawatari, Shunsuke F.', 37],
    ['Grischenko, Andrei V. & Gordon, Dennis P. & Taylor, Paul D.', 29],
    ['Hayward, Peter J. & Winston, Judith E.', 37],
    ['Hess, Hans Ernst & Landolt, Elias & Hirzel, Rosmarie', 36],
    ['Judith L Winston', 91],
    ['Martino, Emanuela Di', 60],
    ['Martino, Emanuela Di & Taylor, Paul D.', 47],
    ['Reverter-Gil, Oscar & Souto, Javier', 39],
    ['Taylor, Paul D. & Martha, Silviu O. & Gordon, Dennis P.', 35],
    ['Winston, Judith E. & Vieira, Leandro M.', 54],
    ['Other (151)', 1149]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=2093)',
    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);