function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bickel, Daniel J.', 1],
    ['Brooks, Scott E. & Cumming, Jeffrey M. & Pollet, Marc A. A.', 1],
    ['Capellari, Renato Soares', 3],
    ['Capellari, Renato Soares & Amorim, Dalton De Souza', 6],
    ['Grichanov, Igor Ya.', 1],
    ['Negrobov, Oleg P. & Kumazawa, Tatsunori & Tago, Toshihiro', 2],
    ['Pollet, Marc & Leponce, Maurice & Pascal, Olivier', 1],
    ['Runyon, Justin B.', 2],
    ['SCOTT E. BROOKS', 1],
    ['Sinclair, Bradley J.', 1],
    ['Soares, Matheus M. M. & Capellari, Renato S. & Ale-Rocha, Rosaly', 14],
    ['Soares, Matheus M. M. & Runyon, Justin B. & Capellari, Renato S.', 8],
    ['Zhang, Lili & Yang, Ding & Grootaert, Patrick', 10],
    ['Zhang, Lili & Yang, Ding & Masunaga, Kazuhiro', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=53)',
    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);