function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ernst, Andrej & Carrera, Marcelo G.', 37],
    ['Ernst, Andrej & Claussen, Anna Lene & Seuss, Barbara', 34],
    ['Ernst, Andrej & Fernández, Luis Pedro', 31],
    ['Ernst, Andrej & Senowbari-Daryan, Baba & Hamedani, Ali', 49],
    ['Ernst, Andrej & Tolokonnikova, Zoya & Yarahmadzahi, Hamed', 7],
    ['Ernst, Andrej & Wyse Jackson, Patrick N. & Aretz, Markus', 48],
    ['Gerovasileiou, Vasilis & Rosso, Antonietta', 76],
    ['Gordon, Dennis P. & Taylor, Paul D.', 25],
    ['Grischenko, Andrei V. & Gordon, Dennis P.', 28],
    ['Hara, Urszula & Taylor, Paul D.', 16],
    ['Jiménez-Sánchez, Andrea', 7],
    ['Judith L Winston', 8],
    ['Liu, H. & Liu, X. & Zágoršek, K.', 15],
    ['Ramalho, L. V. & Muricy, G. & Taylor, P. D.', 7],
    ['Taylor, Paul D. & Zatoń, Michał', 7],
    ['Other (33)', 83]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=478)',
    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);